2013980779 has 2 divisors, whose sum is σ = 2013980780. Its totient is φ = 2013980778.

The previous prime is 2013980767. The next prime is 2013980783. The reversal of 2013980779 is 9770893102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013980779 - 2²⁵ = 1980426347 is a prime.

It is a super-2 number, since 2×2013980779² = 8112237156362893682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2013980279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006990389 + 1006990390.

It is an arithmetic number, because the mean of its divisors is an integer number (1006990390).

Almost surely, 2^2013980779 is an apocalyptic number.

2013980779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013980779 is an equidigital number, since it uses as much as digits as its factorization.

2013980779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 2013980779 is about 44877.3971950246. The cubic root of 2013980779 is about 1262.8500152164.

The spelling of 2013980779 in words is "two billion, thirteen million, nine hundred eighty thousand, seven hundred seventy-nine".