425622136509 has 48 divisors (see below), whose sum is σ = 671539175424. Its totient is φ = 258956359200.

The previous prime is 425622136477. The next prime is 425622136517. The reversal of 425622136509 is 905631226524.

425622136509 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 2 + 2 + 136 + 509 = 666.

It is not a de Polignac number, because 425622136509 - 2⁵ = 425622136477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425622136579) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11487 + ... + 922700.

It is an arithmetic number, because the mean of its divisors is an integer number (13990399488).

Almost surely, 2^425622136509 is an apocalyptic number.

It is an amenable number.

425622136509 is a deficient number, since it is larger than the sum of its proper divisors (245917038915).

425622136509 is a wasteful number, since it uses less digits than its factorization.

425622136509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934318 (or 934315 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 425622136509 in words is "four hundred twenty-five billion, six hundred twenty-two million, one hundred thirty-six thousand, five hundred nine".