3315889021 has 2 divisors, whose sum is σ = 3315889022. Its totient is φ = 3315889020.

The previous prime is 3315889013. The next prime is 3315889033. The reversal of 3315889021 is 1209885133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3160013796 + 155875225 = 56214^2 + 12485^2 .

It is a cyclic number.

It is not a de Polignac number, because 3315889021 - 2³ = 3315889013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3315889081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657944510 + 1657944511.

It is an arithmetic number, because the mean of its divisors is an integer number (1657944511).

Almost surely, 2^3315889021 is an apocalyptic number.

It is an amenable number.

3315889021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3315889021 is an equidigital number, since it uses as much as digits as its factorization.

3315889021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 3315889021 is about 57583.7565724919. The cubic root of 3315889021 is about 1491.1911890885.

The spelling of 3315889021 in words is "three billion, three hundred fifteen million, eight hundred eighty-nine thousand, twenty-one".