25326917427 has 16 divisors (see below), whose sum is σ = 38612483840. Its totient is φ = 14465367072.

The previous prime is 25326917423. The next prime is 25326917479. The reversal of 25326917427 is 72471962352.

It is not a de Polignac number, because 25326917427 - 2² = 25326917423 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25326917423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254593 + ... + 339810.

It is an arithmetic number, because the mean of its divisors is an integer number (2413280240).

Almost surely, 2^25326917427 is an apocalyptic number.

25326917427 is a deficient number, since it is larger than the sum of its proper divisors (13285566413).

25326917427 is a wasteful number, since it uses less digits than its factorization.

25326917427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596442.

The product of its digits is 1270080, while the sum is 48.

The spelling of 25326917427 in words is "twenty-five billion, three hundred twenty-six million, nine hundred seventeen thousand, four hundred twenty-seven".