425998555263 has 40 divisors (see below), whose sum is σ = 645906286080. Its totient is φ = 279772062480.

The previous prime is 425998555261. The next prime is 425998555361. The reversal of 425998555263 is 362555899524.

425998555263 is a `hidden beast` number, since 4 + 2 + 59 + 9 + 8 + 55 + 526 + 3 = 666.

It is not a de Polignac number, because 425998555263 - 2¹ = 425998555261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425998555263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425998555261) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1414098 + ... + 1688688.

It is an arithmetic number, because the mean of its divisors is an integer number (16147657152).

Almost surely, 2^425998555263 is an apocalyptic number.

425998555263 is a deficient number, since it is larger than the sum of its proper divisors (219907730817).

425998555263 is a wasteful number, since it uses less digits than its factorization.

425998555263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274889 (or 274880 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 63.

The spelling of 425998555263 in words is "four hundred twenty-five billion, nine hundred ninety-eight million, five hundred fifty-five thousand, two hundred sixty-three".