492718399 has 2 divisors, whose sum is σ = 492718400. Its totient is φ = 492718398.

The previous prime is 492718357. The next prime is 492718409. The reversal of 492718399 is 993817294.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 492718399 - 2¹⁹ = 492194111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492718799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246359199 + 246359200.

It is an arithmetic number, because the mean of its divisors is an integer number (246359200).

Almost surely, 2^492718399 is an apocalyptic number.

492718399 is a deficient number, since it is larger than the sum of its proper divisors (1).

492718399 is an equidigital number, since it uses as much as digits as its factorization.

492718399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 492718399 is about 22197.2610697807. The cubic root of 492718399 is about 789.8287290948.

The spelling of 492718399 in words is "four hundred ninety-two million, seven hundred eighteen thousand, three hundred ninety-nine".