17939167242 has 16 divisors (see below), whose sum is σ = 35882656992. Its totient is φ = 5979002000.

The previous prime is 17939167237. The next prime is 17939167273. The reversal of 17939167242 is 24276193971.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124848 + ... + 226859.

It is an arithmetic number, because the mean of its divisors is an integer number (2242666062).

Almost surely, 2^17939167242 is an apocalyptic number.

17939167242 is an abundant number, since it is smaller than the sum of its proper divisors (17943489750).

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

17939167242 is a wasteful number, since it uses less digits than its factorization.

17939167242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360213.

The product of its digits is 1143072, while the sum is 51.

The spelling of 17939167242 in words is "seventeen billion, nine hundred thirty-nine million, one hundred sixty-seven thousand, two hundred forty-two".