495744923 has 2 divisors, whose sum is σ = 495744924. Its totient is φ = 495744922.

The previous prime is 495744911. The next prime is 495744943. The reversal of 495744923 is 329447594.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495744923 is a prime.

It is not a weakly prime, because it can be changed into another prime (495744943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247872461 + 247872462.

It is an arithmetic number, because the mean of its divisors is an integer number (247872462).

Almost surely, 2^495744923 is an apocalyptic number.

495744923 is a deficient number, since it is larger than the sum of its proper divisors (1).

495744923 is an equidigital number, since it uses as much as digits as its factorization.

495744923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 495744923 is about 22265.3300671695. The cubic root of 495744923 is about 791.4426041632.

The spelling of 495744923 in words is "four hundred ninety-five million, seven hundred forty-four thousand, nine hundred twenty-three".