179049186449 has 4 divisors (see below), whose sum is σ = 204627641664. Its totient is φ = 153470731236.

The previous prime is 179049186427. The next prime is 179049186457. The reversal of 179049186449 is 944681940971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 179049186449 - 2¹² = 179049182353 is a prime.

It is a super-2 number, since 2×179049186449² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 179049186391 and 179049186400.

It is not an unprimeable number, because it can be changed into a prime (179049186419) 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, 12789227597 + ... + 12789227610.

It is an arithmetic number, because the mean of its divisors is an integer number (51156910416).

Almost surely, 2^179049186449 is an apocalyptic number.

It is an amenable number.

179049186449 is a deficient number, since it is larger than the sum of its proper divisors (25578455215).

179049186449 is an equidigital number, since it uses as much as digits as its factorization.

179049186449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578455214.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 179049186449 in words is "one hundred seventy-nine billion, forty-nine million, one hundred eighty-six thousand, four hundred forty-nine".