17642194842 has 8 divisors (see below), whose sum is σ = 35284389696. Its totient is φ = 5880731612.

The previous prime is 17642194837. The next prime is 17642194883. The reversal of 17642194842 is 24849124671.

It is a sphenic number, since it is the product of 3 distinct primes.

17642194842 is an admirable number.

It is a super-2 number, since 2×17642194842² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17642194791 and 17642194800.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1470182898 + ... + 1470182909.

It is an arithmetic number, because the mean of its divisors is an integer number (4410548712).

Almost surely, 2^17642194842 is an apocalyptic number.

17642194842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

17642194842 is a wasteful number, since it uses less digits than its factorization.

17642194842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940365812.

The product of its digits is 774144, while the sum is 48.

The spelling of 17642194842 in words is "seventeen billion, six hundred forty-two million, one hundred ninety-four thousand, eight hundred forty-two".