494752399 has 2 divisors, whose sum is σ = 494752400. Its totient is φ = 494752398.

The previous prime is 494752397. The next prime is 494752421. The reversal of 494752399 is 993257494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494752399 - 2¹ = 494752397 is a prime.

Together with 494752397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494752397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247376199 + 247376200.

It is an arithmetic number, because the mean of its divisors is an integer number (247376200).

Almost surely, 2^494752399 is an apocalyptic number.

494752399 is a deficient number, since it is larger than the sum of its proper divisors (1).

494752399 is an equidigital number, since it uses as much as digits as its factorization.

494752399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 494752399 is about 22243.0303466052. The cubic root of 494752399 is about 790.9140725490.

The spelling of 494752399 in words is "four hundred ninety-four million, seven hundred fifty-two thousand, three hundred ninety-nine".