3129460909 has 2 divisors, whose sum is σ = 3129460910. Its totient is φ = 3129460908.

The previous prime is 3129460849. The next prime is 3129460913. The reversal of 3129460909 is 9090649213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3111185284 + 18275625 = 55778^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 3129460909 - 2¹¹ = 3129458861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129460969) 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, 1564730454 + 1564730455.

It is an arithmetic number, because the mean of its divisors is an integer number (1564730455).

Almost surely, 2^3129460909 is an apocalyptic number.

It is an amenable number.

3129460909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129460909 is an equidigital number, since it uses as much as digits as its factorization.

3129460909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 3129460909 is about 55941.5847916378. The cubic root of 3129460909 is about 1462.7042064578.

The spelling of 3129460909 in words is "three billion, one hundred twenty-nine million, four hundred sixty thousand, nine hundred nine".