21364757655062 has 4 divisors (see below), whose sum is σ = 32047136482596. Its totient is φ = 10682378827530.

The previous prime is 21364757655019. The next prime is 21364757655113. The reversal of 21364757655062 is 26055675746312.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 21364757654992 and 21364757655010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5341189413764 + ... + 5341189413767.

It is an arithmetic number, because the mean of its divisors is an integer number (8011784120649).

Almost surely, 2^{21364757655062} is an apocalyptic number.

21364757655062 is a deficient number, since it is larger than the sum of its proper divisors (10682378827534).

21364757655062 is a wasteful number, since it uses less digits than its factorization.

21364757655062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682378827533.

The product of its (nonzero) digits is 63504000, while the sum is 59.

The spelling of 21364757655062 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred fifty-seven million, six hundred fifty-five thousand, sixty-two".