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6397016623 is a prime number
BaseRepresentation
bin1011111010100101…
…01011101000101111
3121111211010010002121
411331102223220233
5101100114012443
62534434133411
7314344513144
oct57522535057
917454103077
106397016623
112792a492a8
1212a6421267
137ac40444a
144498383cb
1527690c4ed
hex17d4aba2f

6397016623 has 2 divisors, whose sum is σ = 6397016624. Its totient is φ = 6397016622.

The previous prime is 6397016603. The next prime is 6397016627. The reversal of 6397016623 is 3266107936.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6397016623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6397016623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397016627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198508311 + 3198508312.

It is an arithmetic number, because the mean of its divisors is an integer number (3198508312).

Almost surely, 26397016623 is an apocalyptic number.

6397016623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397016623 is an equidigital number, since it uses as much as digits as its factorization.

6397016623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 6397016623 is about 79981.3517202604. The cubic root of 6397016623 is about 1856.3469967445.

The spelling of 6397016623 in words is "six billion, three hundred ninety-seven million, sixteen thousand, six hundred twenty-three".