21437053210 has 32 divisors (see below), whose sum is σ = 40896161280. Its totient is φ = 8062586112.

The previous prime is 21437053207. The next prime is 21437053223. The reversal of 21437053210 is 1235073412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115947 + ... + 237313.

It is an arithmetic number, because the mean of its divisors is an integer number (1278005040).

Almost surely, 2^21437053210 is an apocalyptic number.

21437053210 is a deficient number, since it is larger than the sum of its proper divisors (19459108070).

21437053210 is a wasteful number, since it uses less digits than its factorization.

21437053210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122430.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 21437053210 in words is "twenty-one billion, four hundred thirty-seven million, fifty-three thousand, two hundred ten".