3140391979 has 2 divisors, whose sum is σ = 3140391980. Its totient is φ = 3140391978.

The previous prime is 3140391971. The next prime is 3140392001. The reversal of 3140391979 is 9791930413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3140391979 - 2³ = 3140391971 is a prime.

It is not a weakly prime, because it can be changed into another prime (3140391971) 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, 1570195989 + 1570195990.

It is an arithmetic number, because the mean of its divisors is an integer number (1570195990).

Almost surely, 2^3140391979 is an apocalyptic number.

3140391979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140391979 is an equidigital number, since it uses as much as digits as its factorization.

3140391979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 3140391979 is about 56039.2003779497. The cubic root of 3140391979 is about 1464.4052813260.

The spelling of 3140391979 in words is "three billion, one hundred forty million, three hundred ninety-one thousand, nine hundred seventy-nine".