179195534242 has 16 divisors (see below), whose sum is σ = 269160472152. Its totient is φ = 89475420160.

The previous prime is 179195534201. The next prime is 179195534257. The reversal of 179195534242 is 242435591971.

It can be written as a sum of positive squares in 4 ways, for example, as 153177521641 + 26018012601 = 391379^2 + 161301^2 .

It is a super-2 number, since 2×179195534242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 179195534242.

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, 14585142 + ... + 14597422.

Almost surely, 2^179195534242 is an apocalyptic number.

179195534242 is a deficient number, since it is larger than the sum of its proper divisors (89964937910).

179195534242 is a wasteful number, since it uses less digits than its factorization.

179195534242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21653.

The product of its digits is 2721600, while the sum is 52.

The spelling of 179195534242 in words is "one hundred seventy-nine billion, one hundred ninety-five million, five hundred thirty-four thousand, two hundred forty-two".