3021990965 has 24 divisors (see below), whose sum is σ = 4363926840. Its totient is φ = 2000761728.

The previous prime is 3021990931. The next prime is 3021990973. The reversal of 3021990965 is 5690991203.

It can be written as a sum of positive squares in 4 ways, for example, as 965096356 + 2056894609 = 31066^2 + 45353^2 .

It is not a de Polignac number, because 3021990965 - 2²⁸ = 2753555509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205562 + ... + 219771.

It is an arithmetic number, because the mean of its divisors is an integer number (181830285).

Almost surely, 2^3021990965 is an apocalyptic number.

3021990965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3021990965 is a deficient number, since it is larger than the sum of its proper divisors (1341935875).

3021990965 is a wasteful number, since it uses less digits than its factorization.

3021990965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425381 (or 425374 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 3021990965 is about 54972.6383303549. The cubic root of 3021990965 is about 1445.7650454856.

The spelling of 3021990965 in words is "three billion, twenty-one million, nine hundred ninety thousand, nine hundred sixty-five".