21414767064536 has 16 divisors (see below), whose sum is σ = 40179654479400. Its totient is φ = 10700192536704.

The previous prime is 21414767064451. The next prime is 21414767064569. The reversal of 21414767064536 is 63546076741412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898861790 + ... + 898885613.

Almost surely, 2^{21414767064536} is an apocalyptic number.

It is an amenable number.

21414767064536 is a deficient number, since it is larger than the sum of its proper divisors (18764887414864).

21414767064536 is a wasteful number, since it uses less digits than its factorization.

21414767064536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797748898 (or 1797748894 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 21414767064536 in words is "twenty-one trillion, four hundred fourteen billion, seven hundred sixty-seven million, sixty-four thousand, five hundred thirty-six".