21536677314 has 48 divisors (see below), whose sum is σ = 46893300480. Its totient is φ = 7143500160.

The previous prime is 21536677259. The next prime is 21536677367. The reversal of 21536677314 is 41377663512.

21536677314 is a `hidden beast` number, since 21 + 536 + 67 + 7 + 31 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 21536677314.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4763547 + ... + 4768065.

It is an arithmetic number, because the mean of its divisors is an integer number (976943760).

Almost surely, 2^21536677314 is an apocalyptic number.

21536677314 is an abundant number, since it is smaller than the sum of its proper divisors (25356623166).

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

21536677314 is a wasteful number, since it uses less digits than its factorization.

21536677314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775 (or 5772 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 21536677314 in words is "twenty-one billion, five hundred thirty-six million, six hundred seventy-seven thousand, three hundred fourteen".