25966321270 has 32 divisors (see below), whose sum is σ = 49691765952. Its totient is φ = 9747484032.

The previous prime is 25966321261. The next prime is 25966321327. The reversal of 25966321270 is 7212366952.

It is a congruent number.

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, 1052877 + ... + 1077256.

It is an arithmetic number, because the mean of its divisors is an integer number (1552867686).

Almost surely, 2^25966321270 is an apocalyptic number.

25966321270 is a deficient number, since it is larger than the sum of its proper divisors (23725444682).

25966321270 is a wasteful number, since it uses less digits than its factorization.

25966321270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130216.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 25966321270 in words is "twenty-five billion, nine hundred sixty-six million, three hundred twenty-one thousand, two hundred seventy".