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6419909741 = 72539361217
BaseRepresentation
bin1011111101010100…
…00000110001101101
3121120102012012112212
411332222000301231
5101121444102431
62541012540205
7315043222010
oct57652006155
917512165485
106419909741
1127a4965233
1212b2021665
137b408b67b
1444c8b7377
1527893072b
hex17ea80c6d

6419909741 has 8 divisors (see below), whose sum is σ = 7339949760. Its totient is φ = 5500597248.

The previous prime is 6419909731. The next prime is 6419909827. The reversal of 6419909741 is 1479099146.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6419909741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6419909741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6419909731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162836 + ... + 198381.

It is an arithmetic number, because the mean of its divisors is an integer number (917493720).

Almost surely, 26419909741 is an apocalyptic number.

It is an amenable number.

6419909741 is a deficient number, since it is larger than the sum of its proper divisors (920040019).

6419909741 is a wasteful number, since it uses less digits than its factorization.

6419909741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363763.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 6419909741 is about 80124.3392546859. The cubic root of 6419909741 is about 1858.5588077753.

The spelling of 6419909741 in words is "six billion, four hundred nineteen million, nine hundred nine thousand, seven hundred forty-one".

Divisors: 1 7 2539 17773 361217 2528519 917129963 6419909741