1313692979789 has 4 divisors (see below), whose sum is σ = 1315616396256. Its totient is φ = 1311769563324.

The previous prime is 1313692979719. The next prime is 1313692979803. The reversal of 1313692979789 is 9879792963131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313692979789 - 2¹⁶ = 1313692914253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313692979719) 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 in 3 ways as a sum of consecutive naturals, for example, 961707209 + ... + 961708574.

It is an arithmetic number, because the mean of its divisors is an integer number (328904099064).

Almost surely, 2^{1313692979789} is an apocalyptic number.

It is an amenable number.

1313692979789 is a deficient number, since it is larger than the sum of its proper divisors (1923416467).

1313692979789 is an equidigital number, since it uses as much as digits as its factorization.

1313692979789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923416466.

The product of its digits is 277766496, while the sum is 74.

The spelling of 1313692979789 in words is "one trillion, three hundred thirteen billion, six hundred ninety-two million, nine hundred seventy-nine thousand, seven hundred eighty-nine".