25610364467 has 4 divisors (see below), whose sum is σ = 25653994296. Its totient is φ = 25566734640.

The previous prime is 25610364449. The next prime is 25610364469. The reversal of 25610364467 is 76446301652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25610364467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25610364469) 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, 21814034 + ... + 21815207.

It is an arithmetic number, because the mean of its divisors is an integer number (6413498574).

Almost surely, 2^25610364467 is an apocalyptic number.

25610364467 is a deficient number, since it is larger than the sum of its proper divisors (43629829).

25610364467 is an equidigital number, since it uses as much as digits as its factorization.

25610364467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43629828.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 25610364467 in words is "twenty-five billion, six hundred ten million, three hundred sixty-four thousand, four hundred sixty-seven".