1369118874989 has 2 divisors, whose sum is σ = 1369118874990. Its totient is φ = 1369118874988.

The previous prime is 1369118874979. The next prime is 1369118875049. The reversal of 1369118874989 is 9894788119631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094053240900 + 275065634089 = 1045970^2 + 524467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369118874989 - 2⁴ = 1369118874973 is a prime.

It is a super-2 number, since 2×1369118874989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369118874979) 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, 684559437494 + 684559437495.

It is an arithmetic number, because the mean of its divisors is an integer number (684559437495).

Almost surely, 2^{1369118874989} is an apocalyptic number.

It is an amenable number.

1369118874989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369118874989 is an equidigital number, since it uses as much as digits as its factorization.

1369118874989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188116992, while the sum is 74.

The spelling of 1369118874989 in words is "one trillion, three hundred sixty-nine billion, one hundred eighteen million, eight hundred seventy-four thousand, nine hundred eighty-nine".