3156056993 has 2 divisors, whose sum is σ = 3156056994. Its totient is φ = 3156056992.

The previous prime is 3156056983. The next prime is 3156057001. The reversal of 3156056993 is 3996506513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2949358864 + 206698129 = 54308^2 + 14377^2 .

It is a cyclic number.

It is not a de Polignac number, because 3156056993 - 2⁴ = 3156056977 is a prime.

It is not a weakly prime, because it can be changed into another prime (3156056983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578028496 + 1578028497.

It is an arithmetic number, because the mean of its divisors is an integer number (1578028497).

Almost surely, 2^3156056993 is an apocalyptic number.

It is an amenable number.

3156056993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3156056993 is an equidigital number, since it uses as much as digits as its factorization.

3156056993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 656100, while the sum is 47.

The square root of 3156056993 is about 56178.7948695947. The cubic root of 3156056993 is about 1466.8361765227.

The spelling of 3156056993 in words is "three billion, one hundred fifty-six million, fifty-six thousand, nine hundred ninety-three".