179949469373818 has 8 divisors (see below), whose sum is σ = 271580180773248. Its totient is φ = 89422742449404.

The previous prime is 179949469373693. The next prime is 179949469373819. The reversal of 179949469373818 is 818373964949971.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (179949469373819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275996118346 + ... + 275996118997.

It is an arithmetic number, because the mean of its divisors is an integer number (33947522596656).

Almost surely, 2^{179949469373818} is an apocalyptic number.

179949469373818 is a deficient number, since it is larger than the sum of its proper divisors (91630711399430).

179949469373818 is a wasteful number, since it uses less digits than its factorization.

179949469373818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551992237508.

The product of its digits is 17777055744, while the sum is 88.

The spelling of 179949469373818 in words is "one hundred seventy-nine trillion, nine hundred forty-nine billion, four hundred sixty-nine million, three hundred seventy-three thousand, eight hundred eighteen".