21410964625 has 32 divisors (see below), whose sum is σ = 29097244800. Its totient is φ = 15667646400.

The previous prime is 21410964599. The next prime is 21410964637. The reversal of 21410964625 is 52646901412.

It is not a de Polignac number, because 21410964625 - 2¹³ = 21410956433 is a prime.

It is a super-5 number, since 5×21410964625⁵ (a number of 53 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86559 + ... + 224308.

It is an arithmetic number, because the mean of its divisors is an integer number (909288900).

Almost surely, 2^21410964625 is an apocalyptic number.

21410964625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21410964625 is a deficient number, since it is larger than the sum of its proper divisors (7686280175).

21410964625 is a wasteful number, since it uses less digits than its factorization.

21410964625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310930 (or 310920 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 21410964625 in words is "twenty-one billion, four hundred ten million, nine hundred sixty-four thousand, six hundred twenty-five".