495348044909 has 2 divisors, whose sum is σ = 495348044910. Its totient is φ = 495348044908.

The previous prime is 495348044903. The next prime is 495348044941. The reversal of 495348044909 is 909440843594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471955260100 + 23392784809 = 686990^2 + 152947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495348044909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495348044903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247674022454 + 247674022455.

It is an arithmetic number, because the mean of its divisors is an integer number (247674022455).

Almost surely, 2^495348044909 is an apocalyptic number.

It is an amenable number.

495348044909 is a deficient number, since it is larger than the sum of its proper divisors (1).

495348044909 is an equidigital number, since it uses as much as digits as its factorization.

495348044909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 495348044909 in words is "four hundred ninety-five billion, three hundred forty-eight million, forty-four thousand, nine hundred nine".