2679959939 has 2 divisors, whose sum is σ = 2679959940. Its totient is φ = 2679959938.

The previous prime is 2679959927. The next prime is 2679959959. The reversal of 2679959939 is 9399599762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2679959939 - 2⁸ = 2679959683 is a prime.

It is not a weakly prime, because it can be changed into another prime (2679959959) 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, 1339979969 + 1339979970.

It is an arithmetic number, because the mean of its divisors is an integer number (1339979970).

Almost surely, 2^2679959939 is an apocalyptic number.

2679959939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679959939 is an equidigital number, since it uses as much as digits as its factorization.

2679959939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74401740, while the sum is 68.

The square root of 2679959939 is about 51768.3294978696. The cubic root of 2679959939 is about 1389.0229904368.

The spelling of 2679959939 in words is "two billion, six hundred seventy-nine million, nine hundred fifty-nine thousand, nine hundred thirty-nine".