3109390545 has 32 divisors (see below), whose sum is σ = 5039159040. Its totient is φ = 1637062400.

The previous prime is 3109390523. The next prime is 3109390579. The reversal of 3109390545 is 5450939013.

It is not a de Polignac number, because 3109390545 - 2⁶ = 3109390481 is a prime.

It is a super-2 number, since 2×3109390545² = 19336619122670794050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541027 + ... + 546743.

It is an arithmetic number, because the mean of its divisors is an integer number (157473720).

Almost surely, 2^3109390545 is an apocalyptic number.

It is an amenable number.

3109390545 is a deficient number, since it is larger than the sum of its proper divisors (1929768495).

3109390545 is a wasteful number, since it uses less digits than its factorization.

3109390545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 3109390545 is about 55761.9094454270. The cubic root of 3109390545 is about 1459.5705475196.

The spelling of 3109390545 in words is "three billion, one hundred nine million, three hundred ninety thousand, five hundred forty-five".