21714263405556 has 24 divisors (see below), whose sum is σ = 50670057752160. Its totient is φ = 7237595924832.

The previous prime is 21714263405533. The next prime is 21714263405557. The reversal of 21714263405556 is 65550436241712.

It is a junction number, because it is equal to n+sod(n) for n = 21714263405499 and 21714263405508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714263405557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61300666 + ... + 61653873.

It is an arithmetic number, because the mean of its divisors is an integer number (2111252406340).

Almost surely, 2^{21714263405556} is an apocalyptic number.

It is an amenable number.

21714263405556 is an abundant number, since it is smaller than the sum of its proper divisors (28955794346604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21714263405556 is a wasteful number, since it uses less digits than its factorization.

21714263405556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122969263 (or 122969261 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 21714263405556 in words is "twenty-one trillion, seven hundred fourteen billion, two hundred sixty-three million, four hundred five thousand, five hundred fifty-six".