179439982861441 has 3 divisors (see below), whose sum is σ = 179439996256963. Its totient is φ = 179439969465920.

The previous prime is 179439982861429. The next prime is 179439982861459. The reversal of 179439982861441 is 144168289934971.

The square root of 179439982861441 is 13395521.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 149750997323841 + 29688985537600 = 12237279^2 + 5448760^2 .

It is not a de Polignac number, because 179439982861441 - 2¹³ = 179439982853249 is a prime.

It is a super-3 number, since 3×179439982861441³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (179439982861541) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6697761 + ... + 20093281.

Almost surely, 2^{179439982861441} is an apocalyptic number.

179439982861441 is the 13395521-st square number.

179439982861441 is the 6697761-st centered octagonal number.

It is an amenable number.

179439982861441 is a deficient number, since it is larger than the sum of its proper divisors (13395522).

179439982861441 is an frugal number, since it uses more digits than its factorization.

179439982861441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26791042 (or 13395521 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 76.

The spelling of 179439982861441 in words is "one hundred seventy-nine trillion, four hundred thirty-nine billion, nine hundred eighty-two million, eight hundred sixty-one thousand, four hundred forty-one".