8118942849938 has 6 divisors (see below), whose sum is σ = 12178420319349. Its totient is φ = 4059469410156.

The previous prime is 8118942849923. The next prime is 8118942849977. The reversal of 8118942849938 is 8399482498118.

It can be written as a sum of positive squares in 2 ways, for example, as 6344993231329 + 1773949618609 = 2518927^2 + 1331897^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2014813.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3022220 + ... + 5037032.

Almost surely, 2^{8118942849938} is an apocalyptic number.

8118942849938 is a deficient number, since it is larger than the sum of its proper divisors (4059477469411).

8118942849938 is an frugal number, since it uses more digits than its factorization.

8118942849938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029628 (or 2014815 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 74.

The spelling of 8118942849938 in words is "eight trillion, one hundred eighteen billion, nine hundred forty-two million, eight hundred forty-nine thousand, nine hundred thirty-eight".