1376981169428 has 12 divisors (see below), whose sum is σ = 2409726326112. Its totient is φ = 688487933400.

The previous prime is 1376981169419. The next prime is 1376981169449. The reversal of 1376981169428 is 8249611896731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932201 + ... + 1903407.

It is an arithmetic number, because the mean of its divisors is an integer number (200810527176).

Almost surely, 2^{1376981169428} is an apocalyptic number.

It is an amenable number.

1376981169428 is a deficient number, since it is larger than the sum of its proper divisors (1032745156684).

1376981169428 is a wasteful number, since it uses less digits than its factorization.

1376981169428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325662 (or 1325660 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 65.

The spelling of 1376981169428 in words is "one trillion, three hundred seventy-six billion, nine hundred eighty-one million, one hundred sixty-nine thousand, four hundred twenty-eight".