17939053234 has 4 divisors (see below), whose sum is σ = 26908579854. Its totient is φ = 8969526616.

The previous prime is 17939053219. The next prime is 17939053273. The reversal of 17939053234 is 43235093971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43235093971 = 2131 ⋅20288641.

It can be written as a sum of positive squares in only one way, i.e., 14640274009 + 3298779225 = 120997^2 + 57435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4484763307 + ... + 4484763310.

Almost surely, 2^17939053234 is an apocalyptic number.

17939053234 is a deficient number, since it is larger than the sum of its proper divisors (8969526620).

17939053234 is an equidigital number, since it uses as much as digits as its factorization.

17939053234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969526619.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 17939053234 in words is "seventeen billion, nine hundred thirty-nine million, fifty-three thousand, two hundred thirty-four".