491060179 has 2 divisors, whose sum is σ = 491060180. Its totient is φ = 491060178.

The previous prime is 491060177. The next prime is 491060203. The reversal of 491060179 is 971060194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 491060179 - 2¹ = 491060177 is a prime.

It is a super-2 number, since 2×491060179² = 482280198799024082, which contains 22 as substring.

Together with 491060177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (491060177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245530089 + 245530090.

It is an arithmetic number, because the mean of its divisors is an integer number (245530090).

Almost surely, 2^491060179 is an apocalyptic number.

491060179 is a deficient number, since it is larger than the sum of its proper divisors (1).

491060179 is an equidigital number, since it uses as much as digits as its factorization.

491060179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 491060179 is about 22159.8776846805. The cubic root of 491060179 is about 788.9416897594.

The spelling of 491060179 in words is "four hundred ninety-one million, sixty thousand, one hundred seventy-nine".