2978989869132 has 24 divisors (see below), whose sum is σ = 7723307068400. Its totient is φ = 992996623008.

The previous prime is 2978989869109. The next prime is 2978989869137. The reversal of 2978989869132 is 2319689898792.

It is not an unprimeable number, because it can be changed into a prime (2978989869137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13791619657 + ... + 13791619872.

Almost surely, 2^{2978989869132} is an apocalyptic number.

It is an amenable number.

2978989869132 is an abundant number, since it is smaller than the sum of its proper divisors (4744317199268).

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

2978989869132 is a wasteful number, since it uses less digits than its factorization.

2978989869132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27583239542 (or 27583239534 counting only the distinct ones).

The product of its digits is 1693052928, while the sum is 81.

The spelling of 2978989869132 in words is "two trillion, nine hundred seventy-eight billion, nine hundred eighty-nine million, eight hundred sixty-nine thousand, one hundred thirty-two".