495190439 has 2 divisors, whose sum is σ = 495190440. Its totient is φ = 495190438.

The previous prime is 495190357. The next prime is 495190453. The reversal of 495190439 is 934091594.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495190439 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 495190439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495190469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247595219 + 247595220.

It is an arithmetic number, because the mean of its divisors is an integer number (247595220).

Almost surely, 2^495190439 is an apocalyptic number.

495190439 is a deficient number, since it is larger than the sum of its proper divisors (1).

495190439 is an equidigital number, since it uses as much as digits as its factorization.

495190439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 495190439 is about 22252.8748479831. The cubic root of 495190439 is about 791.1474214625.

The spelling of 495190439 in words is "four hundred ninety-five million, one hundred ninety thousand, four hundred thirty-nine".