425261906951 has 32 divisors (see below), whose sum is σ = 514543518720. Its totient is φ = 343336492800.

The previous prime is 425261906843. The next prime is 425261906957. The reversal of 425261906951 is 159609162524.

It is a happy number.

It is not a de Polignac number, because 425261906951 - 2³⁰ = 424188165127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425261906951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425261906957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45087206 + ... + 45096636.

It is an arithmetic number, because the mean of its divisors is an integer number (16079484960).

Almost surely, 2^425261906951 is an apocalyptic number.

425261906951 is a deficient number, since it is larger than the sum of its proper divisors (89281611769).

425261906951 is a wasteful number, since it uses less digits than its factorization.

425261906951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 425261906951 in words is "four hundred twenty-five billion, two hundred sixty-one million, nine hundred six thousand, nine hundred fifty-one".