1313058979 has 2 divisors, whose sum is σ = 1313058980. Its totient is φ = 1313058978.

The previous prime is 1313058959. The next prime is 1313058991. The reversal of 1313058979 is 9798503131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313058979 - 2⁵ = 1313058947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313058959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656529489 + 656529490.

It is an arithmetic number, because the mean of its divisors is an integer number (656529490).

Almost surely, 2^1313058979 is an apocalyptic number.

1313058979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313058979 is an equidigital number, since it uses as much as digits as its factorization.

1313058979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1313058979 is about 36236.1556873794. The cubic root of 1313058979 is about 1095.0351952436.

The spelling of 1313058979 in words is "one billion, three hundred thirteen million, fifty-eight thousand, nine hundred seventy-nine".