21136633314 has 16 divisors (see below), whose sum is σ = 42291034752. Its totient is φ = 7042583088.

The previous prime is 21136633291. The next prime is 21136633333. The reversal of 21136633314 is 41333663112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724849 + ... + 753444.

It is an arithmetic number, because the mean of its divisors is an integer number (2643189672).

Almost surely, 2^21136633314 is an apocalyptic number.

21136633314 is an abundant number, since it is smaller than the sum of its proper divisors (21154401438).

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

21136633314 is a wasteful number, since it uses less digits than its factorization.

21136633314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480681.

The product of its digits is 23328, while the sum is 33.

The spelling of 21136633314 in words is "twenty-one billion, one hundred thirty-six million, six hundred thirty-three thousand, three hundred fourteen".