2090644915 has 8 divisors (see below), whose sum is σ = 2617851168. Its totient is φ = 1599797760.

The previous prime is 2090644909. The next prime is 2090644931. The reversal of 2090644915 is 5194460902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2090644915 - 2⁹ = 2090644403 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9089646 + ... + 9089875.

It is an arithmetic number, because the mean of its divisors is an integer number (327231396).

Almost surely, 2^2090644915 is an apocalyptic number.

2090644915 is a deficient number, since it is larger than the sum of its proper divisors (527206253).

2090644915 is a wasteful number, since it uses less digits than its factorization.

2090644915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179549.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2090644915 is about 45723.5706720287. The cubic root of 2090644915 is about 1278.6747585592.

The spelling of 2090644915 in words is "two billion, ninety million, six hundred forty-four thousand, nine hundred fifteen".