25106382979 has 2 divisors, whose sum is σ = 25106382980. Its totient is φ = 25106382978.

The previous prime is 25106382881. The next prime is 25106383009. The reversal of 25106382979 is 97928360152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25106382979 - 2¹⁵ = 25106350211 is a prime.

It is not a weakly prime, because it can be changed into another prime (25106322979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553191489 + 12553191490.

It is an arithmetic number, because the mean of its divisors is an integer number (12553191490).

Almost surely, 2^25106382979 is an apocalyptic number.

25106382979 is a deficient number, since it is larger than the sum of its proper divisors (1).

25106382979 is an equidigital number, since it uses as much as digits as its factorization.

25106382979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 25106382979 in words is "twenty-five billion, one hundred six million, three hundred eighty-two thousand, nine hundred seventy-nine".