495117950977 has 4 divisors (see below), whose sum is σ = 533203947220. Its totient is φ = 457031954736.

The previous prime is 495117950953. The next prime is 495117951011. The reversal of 495117950977 is 779059711594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31623864561 + 463494086416 = 177831^2 + 680804^2 .

It is a cyclic number.

It is not a de Polignac number, because 495117950977 - 2⁷ = 495117950849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495117950947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19042998102 + ... + 19042998127.

It is an arithmetic number, because the mean of its divisors is an integer number (133300986805).

Almost surely, 2^495117950977 is an apocalyptic number.

It is an amenable number.

495117950977 is a deficient number, since it is larger than the sum of its proper divisors (38085996243).

495117950977 is a wasteful number, since it uses less digits than its factorization.

495117950977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38085996242.

The product of its (nonzero) digits is 25004700, while the sum is 64.

The spelling of 495117950977 in words is "four hundred ninety-five billion, one hundred seventeen million, nine hundred fifty thousand, nine hundred seventy-seven".