3129113873 has 2 divisors, whose sum is σ = 3129113874. Its totient is φ = 3129113872.

The previous prime is 3129113863. The next prime is 3129113879. The reversal of 3129113873 is 3783119213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1929669184 + 1199444689 = 43928^2 + 34633^2 .

It is a cyclic number.

It is not a de Polignac number, because 3129113873 - 2¹⁸ = 3128851729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3129113879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564556936 + 1564556937.

It is an arithmetic number, because the mean of its divisors is an integer number (1564556937).

Almost surely, 2^3129113873 is an apocalyptic number.

It is an amenable number.

3129113873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129113873 is an equidigital number, since it uses as much as digits as its factorization.

3129113873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 3129113873 is about 55938.4829343807. The cubic root of 3129113873 is about 1462.6501364655.

The spelling of 3129113873 in words is "three billion, one hundred twenty-nine million, one hundred thirteen thousand, eight hundred seventy-three".