425705952969 has 40 divisors (see below), whose sum is σ = 697999364832. Its totient is φ = 256420676160.

The previous prime is 425705952937. The next prime is 425705952977. The reversal of 425705952969 is 969259507524.

425705952969 is a `hidden beast` number, since 4 + 2 + 57 + 0 + 59 + 529 + 6 + 9 = 666.

It is not a de Polignac number, because 425705952969 - 2⁵ = 425705952937 is a prime.

It is a super-2 number, since 2×425705952969² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425705952169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1320364 + ... + 1610829.

Almost surely, 2^425705952969 is an apocalyptic number.

It is an amenable number.

425705952969 is a deficient number, since it is larger than the sum of its proper divisors (272293411863).

425705952969 is a wasteful number, since it uses less digits than its factorization.

425705952969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931379 (or 2931370 counting only the distinct ones).

The product of its (nonzero) digits is 61236000, while the sum is 63.

The spelling of 425705952969 in words is "four hundred twenty-five billion, seven hundred five million, nine hundred fifty-two thousand, nine hundred sixty-nine".