21470025675 has 48 divisors (see below), whose sum is σ = 40688840192. Its totient is φ = 9785664000.

The previous prime is 21470025641. The next prime is 21470025691. The reversal of 21470025675 is 57652007412.

It is not a de Polignac number, because 21470025675 - 2⁸ = 21470025419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116250 + ... + 237600.

Almost surely, 2^21470025675 is an apocalyptic number.

21470025675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21470025675 is a deficient number, since it is larger than the sum of its proper divisors (19218814517).

21470025675 is a wasteful number, since it uses less digits than its factorization.

21470025675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121708 (or 121703 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 21470025675 in words is "twenty-one billion, four hundred seventy million, twenty-five thousand, six hundred seventy-five".