3129948719 has 2 divisors, whose sum is σ = 3129948720. Its totient is φ = 3129948718.

The previous prime is 3129948673. The next prime is 3129948737. The reversal of 3129948719 is 9178499213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3129948719 - 2⁸ = 3129948463 is a prime.

It is a super-2 number, since 2×3129948719² = 19593157967139481922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129948779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564974359 + 1564974360.

It is an arithmetic number, because the mean of its divisors is an integer number (1564974360).

Almost surely, 2^3129948719 is an apocalyptic number.

3129948719 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129948719 is an equidigital number, since it uses as much as digits as its factorization.

3129948719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 53.

The square root of 3129948719 is about 55945.9446162097. The cubic root of 3129948719 is about 1462.7802030047.

The spelling of 3129948719 in words is "three billion, one hundred twenty-nine million, nine hundred forty-eight thousand, seven hundred nineteen".