17934321942 has 48 divisors (see below), whose sum is σ = 40348303632. Its totient is φ = 5970477600.

The previous prime is 17934321917. The next prime is 17934321943. The reversal of 17934321942 is 24912343971.

17934321942 is a `hidden beast` number, since 179 + 3 + 432 + 1 + 9 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17934321943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364192 + ... + 410492.

It is an arithmetic number, because the mean of its divisors is an integer number (840589659).

Almost surely, 2^17934321942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17934321942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20174151816).

17934321942 is an abundant number, since it is smaller than the sum of its proper divisors (22413981690).

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

17934321942 is an equidigital number, since it uses as much as digits as its factorization.

17934321942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47115 (or 47103 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 17934321942 in words is "seventeen billion, nine hundred thirty-four million, three hundred twenty-one thousand, nine hundred forty-two".