21425463959710 has 64 divisors (see below), whose sum is σ = 39051584801280. Its totient is φ = 8463068853120.

The previous prime is 21425463959657. The next prime is 21425463959729. The reversal of 21425463959710 is 1795936452412.

It is a super-2 number, since 2×21425463959710² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 183217119 + ... + 183334021.

It is an arithmetic number, because the mean of its divisors is an integer number (610181012520).

Almost surely, 2^{21425463959710} is an apocalyptic number.

21425463959710 is a deficient number, since it is larger than the sum of its proper divisors (17626120841570).

21425463959710 is a wasteful number, since it uses less digits than its factorization.

21425463959710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117793.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 21425463959710 in words is "twenty-one trillion, four hundred twenty-five billion, four hundred sixty-three million, nine hundred fifty-nine thousand, seven hundred ten".