299179493 has 2 divisors, whose sum is σ = 299179494. Its totient is φ = 299179492.

The previous prime is 299179427. The next prime is 299179499. The reversal of 299179493 is 394971992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272316004 + 26863489 = 16502^2 + 5183^2 .

It is a cyclic number.

It is not a de Polignac number, because 299179493 - 2¹⁰ = 299178469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299179499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149589746 + 149589747.

It is an arithmetic number, because the mean of its divisors is an integer number (149589747).

Almost surely, 2^299179493 is an apocalyptic number.

It is an amenable number.

299179493 is a deficient number, since it is larger than the sum of its proper divisors (1).

299179493 is an equidigital number, since it uses as much as digits as its factorization.

299179493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 53.

The square root of 299179493 is about 17296.8058611988. The cubic root of 299179493 is about 668.8220879229.

The spelling of 299179493 in words is "two hundred ninety-nine million, one hundred seventy-nine thousand, four hundred ninety-three".