21150536631614 has 32 divisors (see below), whose sum is σ = 37204629588000. Its totient is φ = 8929111089024.

The previous prime is 21150536631613. The next prime is 21150536631619. The reversal of 21150536631614 is 41613663505112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21150536631613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738172769 + ... + 738201420.

It is an arithmetic number, because the mean of its divisors is an integer number (1162644674625).

Almost surely, 2^{21150536631614} is an apocalyptic number.

21150536631614 is a deficient number, since it is larger than the sum of its proper divisors (16054092956386).

21150536631614 is a wasteful number, since it uses less digits than its factorization.

21150536631614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476374252.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 21150536631614 in words is "twenty-one trillion, one hundred fifty billion, five hundred thirty-six million, six hundred thirty-one thousand, six hundred fourteen".