25667231338 has 16 divisors (see below), whose sum is σ = 44222083200. Its totient is φ = 10944963216.

The previous prime is 25667231323. The next prime is 25667231393. The reversal of 25667231338 is 83313276652.

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, 4603681 + ... + 4609252.

It is an arithmetic number, because the mean of its divisors is an integer number (2763880200).

Almost surely, 2^25667231338 is an apocalyptic number.

25667231338 is a deficient number, since it is larger than the sum of its proper divisors (18554851862).

25667231338 is a wasteful number, since it uses less digits than its factorization.

25667231338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213141.

The product of its digits is 1088640, while the sum is 46.

The spelling of 25667231338 in words is "twenty-five billion, six hundred sixty-seven million, two hundred thirty-one thousand, three hundred thirty-eight".