425140107247 has 8 divisors (see below), whose sum is σ = 444404129760. Its totient is φ = 405941057280.

The previous prime is 425140107241. The next prime is 425140107307. The reversal of 425140107247 is 742701041524.

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 2^k-425140107247 is a prime.

It is a super-2 number, since 2×425140107247² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425140107241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16229754 + ... + 16255927.

It is an arithmetic number, because the mean of its divisors is an integer number (55550516220).

Almost surely, 2^425140107247 is an apocalyptic number.

425140107247 is a deficient number, since it is larger than the sum of its proper divisors (19264022513).

425140107247 is a wasteful number, since it uses less digits than its factorization.

425140107247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32486273.

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 425140107247 in words is "four hundred twenty-five billion, one hundred forty million, one hundred seven thousand, two hundred forty-seven".