2056790709 has 12 divisors (see below), whose sum is σ = 3100090656. Its totient is φ = 1311576552.

The previous prime is 2056790689. The next prime is 2056790719. The reversal of 2056790709 is 9070976502.

It is not a de Polignac number, because 2056790709 - 2¹³ = 2056782517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056790719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4967887 + ... + 4968300.

It is an arithmetic number, because the mean of its divisors is an integer number (258340888).

Almost surely, 2^2056790709 is an apocalyptic number.

It is an amenable number.

2056790709 is a deficient number, since it is larger than the sum of its proper divisors (1043299947).

2056790709 is a wasteful number, since it uses less digits than its factorization.

2056790709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936216 (or 9936213 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 2056790709 is about 45351.8545265792. The cubic root of 2056790709 is about 1271.7352247188.

The spelling of 2056790709 in words is "two billion, fifty-six million, seven hundred ninety thousand, seven hundred nine".