25473733258 has 32 divisors (see below), whose sum is σ = 39383815680. Its totient is φ = 12352919040.

The previous prime is 25473733231. The next prime is 25473733273. The reversal of 25473733258 is 85233737452.

It is a happy number.

It is a super-2 number, since 2×25473733258² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2869735 + ... + 2878597.

It is an arithmetic number, because the mean of its divisors is an integer number (1230744240).

Almost surely, 2^25473733258 is an apocalyptic number.

25473733258 is a deficient number, since it is larger than the sum of its proper divisors (13910082422).

25473733258 is a wasteful number, since it uses less digits than its factorization.

25473733258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262.

The product of its digits is 4233600, while the sum is 49.

The spelling of 25473733258 in words is "twenty-five billion, four hundred seventy-three million, seven hundred thirty-three thousand, two hundred fifty-eight".