21132715614 has 32 divisors (see below), whose sum is σ = 42396718464. Its totient is φ = 7022389920.

The previous prime is 21132715603. The next prime is 21132715633. The reversal of 21132715614 is 41651723112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3216697 + ... + 3223259.

It is an arithmetic number, because the mean of its divisors is an integer number (1324897452).

Almost surely, 2^21132715614 is an apocalyptic number.

21132715614 is an abundant number, since it is smaller than the sum of its proper divisors (21264002850).

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

21132715614 is a wasteful number, since it uses less digits than its factorization.

21132715614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152.

The product of its digits is 10080, while the sum is 33.

The spelling of 21132715614 in words is "twenty-one billion, one hundred thirty-two million, seven hundred fifteen thousand, six hundred fourteen".