21470624774324 has 12 divisors (see below), whose sum is σ = 40989374569248. Its totient is φ = 9759374897400.

The previous prime is 21470624774297. The next prime is 21470624774353. The reversal of 21470624774324 is 42347742607412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243984372392 + ... + 243984372479.

It is an arithmetic number, because the mean of its divisors is an integer number (3415781214104).

Almost surely, 2^{21470624774324} is an apocalyptic number.

It is an amenable number.

21470624774324 is a deficient number, since it is larger than the sum of its proper divisors (19518749794924).

21470624774324 is a wasteful number, since it uses less digits than its factorization.

21470624774324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487968744886 (or 487968744884 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 53.

The spelling of 21470624774324 in words is "twenty-one trillion, four hundred seventy billion, six hundred twenty-four million, seven hundred seventy-four thousand, three hundred twenty-four".