1380986879964 has 24 divisors (see below), whose sum is σ = 3222325090320. Its totient is φ = 460325764224.

The previous prime is 1380986879963. The next prime is 1380986880107. The reversal of 1380986879964 is 4699786890831.

It is a self number, because there is not a number n which added to its sum of digits gives 1380986879964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380986879963) 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 in 7 ways as a sum of consecutive naturals, for example, 1957192 + ... + 2567600.

It is an arithmetic number, because the mean of its divisors is an integer number (134263545430).

Almost surely, 2^{1380986879964} is an apocalyptic number.

It is an amenable number.

1380986879964 is an abundant number, since it is smaller than the sum of its proper divisors (1841338210356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1380986879964 is a wasteful number, since it uses less digits than its factorization.

1380986879964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798949 (or 798947 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 78.

The spelling of 1380986879964 in words is "one trillion, three hundred eighty billion, nine hundred eighty-six million, eight hundred seventy-nine thousand, nine hundred sixty-four".