2979990074128 has 10 divisors (see below), whose sum is σ = 5773730768654. Its totient is φ = 1489995037056.

The previous prime is 2979990074111. The next prime is 2979990074129. The reversal of 2979990074128 is 8214700999792.

It can be written as a sum of positive squares in only one way, i.e., 2979186465024 + 803609104 = 1726032^2 + 28348^2 .

It is not an unprimeable number, because it can be changed into a prime (2979990074129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93124689801 + ... + 93124689832.

Almost surely, 2^{2979990074128} is an apocalyptic number.

It is an amenable number.

2979990074128 is a deficient number, since it is larger than the sum of its proper divisors (2793740694526).

2979990074128 is a wasteful number, since it uses less digits than its factorization.

2979990074128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186249379641 (or 186249379635 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 67.

The spelling of 2979990074128 in words is "two trillion, nine hundred seventy-nine billion, nine hundred ninety million, seventy-four thousand, one hundred twenty-eight".