25972212451738 has 16 divisors (see below), whose sum is σ = 44622954907200. Its totient is φ = 11106157660416.

The previous prime is 25972212451721. The next prime is 25972212451741. The reversal of 25972212451738 is 83715421227952.

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, 2065871256 + ... + 2065883827.

It is an arithmetic number, because the mean of its divisors is an integer number (2788934681700).

Almost surely, 2^{25972212451738} is an apocalyptic number.

25972212451738 is a deficient number, since it is larger than the sum of its proper divisors (18650742455462).

25972212451738 is a wasteful number, since it uses less digits than its factorization.

25972212451738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131755541.

The product of its digits is 16934400, while the sum is 58.

The spelling of 25972212451738 in words is "twenty-five trillion, nine hundred seventy-two billion, two hundred twelve million, four hundred fifty-one thousand, seven hundred thirty-eight".