179479826641 has 2 divisors, whose sum is σ = 179479826642. Its totient is φ = 179479826640.

The previous prime is 179479826609. The next prime is 179479826677. The reversal of 179479826641 is 146628974971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142937681041 + 36542145600 = 378071^2 + 191160^2 .

It is a cyclic number.

It is not a de Polignac number, because 179479826641 - 2⁵ = 179479826609 is a prime.

It is not a weakly prime, because it can be changed into another prime (179479826741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89739913320 + 89739913321.

It is an arithmetic number, because the mean of its divisors is an integer number (89739913321).

Almost surely, 2^179479826641 is an apocalyptic number.

It is an amenable number.

179479826641 is a deficient number, since it is larger than the sum of its proper divisors (1).

179479826641 is an equidigital number, since it uses as much as digits as its factorization.

179479826641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The spelling of 179479826641 in words is "one hundred seventy-nine billion, four hundred seventy-nine million, eight hundred twenty-six thousand, six hundred forty-one".