21371076710 has 32 divisors (see below), whose sum is σ = 38723443200. Its totient is φ = 8491753440.

The previous prime is 21371076697. The next prime is 21371076721. The reversal of 21371076710 is 1767017312.

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, 1854065 + ... + 1865555.

It is an arithmetic number, because the mean of its divisors is an integer number (1210107600).

Almost surely, 2^21371076710 is an apocalyptic number.

21371076710 is a deficient number, since it is larger than the sum of its proper divisors (17352366490).

21371076710 is a wasteful number, since it uses less digits than its factorization.

21371076710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716.

The product of its (nonzero) digits is 12348, while the sum is 35.

The spelling of 21371076710 in words is "twenty-one billion, three hundred seventy-one million, seventy-six thousand, seven hundred ten".