1513806980779 has 2 divisors, whose sum is σ = 1513806980780. Its totient is φ = 1513806980778.

The previous prime is 1513806980687. The next prime is 1513806980821. The reversal of 1513806980779 is 9770896083151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1513806980779 - 2¹¹ = 1513806978731 is a prime.

It is a super-2 number, since 2×1513806980779² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1513806980779.

It is not a weakly prime, because it can be changed into another prime (1513806980579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756903490389 + 756903490390.

It is an arithmetic number, because the mean of its divisors is an integer number (756903490390).

Almost surely, 2^{1513806980779} is an apocalyptic number.

1513806980779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513806980779 is an equidigital number, since it uses as much as digits as its factorization.

1513806980779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 1513806980779 in words is "one trillion, five hundred thirteen billion, eight hundred six million, nine hundred eighty thousand, seven hundred seventy-nine".