1376464879999 has 16 divisors (see below), whose sum is σ = 1515954496896. Its totient is φ = 1239372988000.

The previous prime is 1376464879987. The next prime is 1376464880017. The reversal of 1376464879999 is 9999784646731.

It is a cyclic number.

It is not a de Polignac number, because 1376464879999 - 2¹¹ = 1376464877951 is a prime.

It is a super-2 number, since 2×1376464879999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376464879199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5512149 + ... + 5756449.

It is an arithmetic number, because the mean of its divisors is an integer number (94747156056).

Almost surely, 2^{1376464879999} is an apocalyptic number.

1376464879999 is a deficient number, since it is larger than the sum of its proper divisors (139489616897).

1376464879999 is a wasteful number, since it uses less digits than its factorization.

1376464879999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249206.

The product of its digits is 4444263936, while the sum is 82.

The spelling of 1376464879999 in words is "one trillion, three hundred seventy-six billion, four hundred sixty-four million, eight hundred seventy-nine thousand, nine hundred ninety-nine".