1378876289018 has 32 divisors (see below), whose sum is σ = 2154381840000. Its totient is φ = 661078313280.

The previous prime is 1378876288957. The next prime is 1378876289029. The reversal of 1378876289018 is 8109826788731.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 65590913 + ... + 65611931.

It is an arithmetic number, because the mean of its divisors is an integer number (67324432500).

Almost surely, 2^{1378876289018} is an apocalyptic number.

1378876289018 is a deficient number, since it is larger than the sum of its proper divisors (775505550982).

1378876289018 is a wasteful number, since it uses less digits than its factorization.

1378876289018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28790.

The product of its (nonzero) digits is 65028096, while the sum is 68.

The spelling of 1378876289018 in words is "one trillion, three hundred seventy-eight billion, eight hundred seventy-six million, two hundred eighty-nine thousand, eighteen".