3120657693 has 4 divisors (see below), whose sum is σ = 4160876928. Its totient is φ = 2080438460.

The previous prime is 3120657671. The next prime is 3120657707. The reversal of 3120657693 is 3967560213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3120657693 - 2¹⁶ = 3120592157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120657613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520109613 + ... + 520109618.

It is an arithmetic number, because the mean of its divisors is an integer number (1040219232).

Almost surely, 2^3120657693 is an apocalyptic number.

It is an amenable number.

3120657693 is a deficient number, since it is larger than the sum of its proper divisors (1040219235).

3120657693 is a wasteful number, since it uses less digits than its factorization.

3120657693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040219234.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 3120657693 is about 55862.8471615975. The cubic root of 3120657693 is about 1461.3313828015.

The spelling of 3120657693 in words is "three billion, one hundred twenty million, six hundred fifty-seven thousand, six hundred ninety-three".