492669493 has 2 divisors, whose sum is σ = 492669494. Its totient is φ = 492669492.

The previous prime is 492669479. The next prime is 492669523. The reversal of 492669493 is 394966294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370832049 + 121837444 = 19257^2 + 11038^2 .

It is a cyclic number.

It is not a de Polignac number, because 492669493 - 2⁵ = 492669461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 492669493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492669433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246334746 + 246334747.

It is an arithmetic number, because the mean of its divisors is an integer number (246334747).

Almost surely, 2^492669493 is an apocalyptic number.

It is an amenable number.

492669493 is a deficient number, since it is larger than the sum of its proper divisors (1).

492669493 is an equidigital number, since it uses as much as digits as its factorization.

492669493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 52.

The square root of 492669493 is about 22196.1594200438. The cubic root of 492669493 is about 789.8025960865.

The spelling of 492669493 in words is "four hundred ninety-two million, six hundred sixty-nine thousand, four hundred ninety-three".