25867634962 has 16 divisors (see below), whose sum is σ = 44244190872. Its totient is φ = 11236619520.

The previous prime is 25867634939. The next prime is 25867634971. The reversal of 25867634962 is 26943676852.

It can be written as a sum of positive squares in 4 ways, for example, as 21603414361 + 4264220601 = 146981^2 + 65301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25867634897 and 25867634906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29261589 + ... + 29262472.

Almost surely, 2^25867634962 is an apocalyptic number.

25867634962 is a deficient number, since it is larger than the sum of its proper divisors (18376555910).

25867634962 is a wasteful number, since it uses less digits than its factorization.

25867634962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58524093.

The product of its digits is 26127360, while the sum is 58.

The spelling of 25867634962 in words is "twenty-five billion, eight hundred sixty-seven million, six hundred thirty-four thousand, nine hundred sixty-two".