21710754902 has 16 divisors (see below), whose sum is σ = 32854548480. Its totient is φ = 10759405608.

The previous prime is 21710754847. The next prime is 21710754931. The reversal of 21710754902 is 20945701712.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222773 + ... + 305039.

It is an arithmetic number, because the mean of its divisors is an integer number (2053409280).

Almost surely, 2^21710754902 is an apocalyptic number.

21710754902 is a deficient number, since it is larger than the sum of its proper divisors (11143793578).

21710754902 is a wasteful number, since it uses less digits than its factorization.

21710754902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83435.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 21710754902 in words is "twenty-one billion, seven hundred ten million, seven hundred fifty-four thousand, nine hundred two".