25663126379 has 16 divisors (see below), whose sum is σ = 28773726720. Its totient is φ = 22690942560.

The previous prime is 25663126367. The next prime is 25663126381. The reversal of 25663126379 is 97362136652.

It is not a de Polignac number, because 25663126379 - 2⁸ = 25663126123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25663126079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162164 + ... + 278609.

It is an arithmetic number, because the mean of its divisors is an integer number (1798357920).

Almost surely, 2^25663126379 is an apocalyptic number.

25663126379 is a deficient number, since it is larger than the sum of its proper divisors (3110600341).

25663126379 is a wasteful number, since it uses less digits than its factorization.

25663126379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440930.

The product of its digits is 2449440, while the sum is 50.

The spelling of 25663126379 in words is "twenty-five billion, six hundred sixty-three million, one hundred twenty-six thousand, three hundred seventy-nine".