1013479979 has 2 divisors, whose sum is σ = 1013479980. Its totient is φ = 1013479978.

The previous prime is 1013479949. The next prime is 1013480003. The reversal of 1013479979 is 9799743101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013479979 - 2⁸ = 1013479723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013479949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506739989 + 506739990.

It is an arithmetic number, because the mean of its divisors is an integer number (506739990).

Almost surely, 2^1013479979 is an apocalyptic number.

1013479979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013479979 is an equidigital number, since it uses as much as digits as its factorization.

1013479979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 1013479979 is about 31835.2003134895. The cubic root of 1013479979 is about 1004.4732862066.

The spelling of 1013479979 in words is "one billion, thirteen million, four hundred seventy-nine thousand, nine hundred seventy-nine".