21113032339 has 6 divisors (see below), whose sum is σ = 24560058084. Its totient is φ = 18096884820.

The previous prime is 21113032337. The next prime is 21113032357. The reversal of 21113032339 is 93323031112.

It is not a de Polignac number, because 21113032339 - 2¹ = 21113032337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113032337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215439057 + ... + 215439154.

It is an arithmetic number, because the mean of its divisors is an integer number (4093343014).

Almost surely, 2^21113032339 is an apocalyptic number.

21113032339 is a deficient number, since it is larger than the sum of its proper divisors (3447025745).

21113032339 is an equidigital number, since it uses as much as digits as its factorization.

21113032339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430878225 (or 430878218 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 21113032339 in words is "twenty-one billion, one hundred thirteen million, thirty-two thousand, three hundred thirty-nine".