1942117018 has 16 divisors (see below), whose sum is σ = 2939630400. Its totient is φ = 962280000.

The previous prime is 1942116991. The next prime is 1942117019. The reversal of 1942117018 is 8107112491.

It is not an unprimeable number, because it can be changed into a prime (1942117019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90178 + ... + 109618.

It is an arithmetic number, because the mean of its divisors is an integer number (183726900).

Almost surely, 2^1942117018 is an apocalyptic number.

1942117018 is a deficient number, since it is larger than the sum of its proper divisors (997513382).

1942117018 is a wasteful number, since it uses less digits than its factorization.

1942117018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19893.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1942117018 is about 44069.4567472757. The cubic root of 1942117018 is about 1247.6472047689.

The spelling of 1942117018 in words is "one billion, nine hundred forty-two million, one hundred seventeen thousand, eighteen".