25263351379 has 4 divisors (see below), whose sum is σ = 28872401584. Its totient is φ = 21654301176.

The previous prime is 25263351359. The next prime is 25263351391. The reversal of 25263351379 is 97315336252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25263351379 - 2⁷ = 25263351251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25263351329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804525092 + ... + 1804525105.

It is an arithmetic number, because the mean of its divisors is an integer number (7218100396).

Almost surely, 2^25263351379 is an apocalyptic number.

25263351379 is a deficient number, since it is larger than the sum of its proper divisors (3609050205).

25263351379 is an equidigital number, since it uses as much as digits as its factorization.

25263351379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609050204.

The product of its digits is 1020600, while the sum is 46.

The spelling of 25263351379 in words is "twenty-five billion, two hundred sixty-three million, three hundred fifty-one thousand, three hundred seventy-nine".