21848700937 has 32 divisors (see below), whose sum is σ = 26266705920. Its totient is φ = 17768604480.

The previous prime is 21848700899. The next prime is 21848700959. The reversal of 21848700937 is 73900784812.

It is a cyclic number.

It is not a de Polignac number, because 21848700937 - 2²⁷ = 21714483209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21848700967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20025762 + ... + 20026852.

It is an arithmetic number, because the mean of its divisors is an integer number (820834560).

Almost surely, 2^21848700937 is an apocalyptic number.

It is an amenable number.

21848700937 is a deficient number, since it is larger than the sum of its proper divisors (4418004983).

21848700937 is a wasteful number, since it uses less digits than its factorization.

21848700937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 21848700937 in words is "twenty-one billion, eight hundred forty-eight million, seven hundred thousand, nine hundred thirty-seven".