495647074655 has 4 divisors (see below), whose sum is σ = 594776489592. Its totient is φ = 396517659720.

The previous prime is 495647074651. The next prime is 495647074691. The reversal of 495647074655 is 556470746594.

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

It is not a de Polignac number, because 495647074655 - 2² = 495647074651 is a prime.

It is a super-2 number, since 2×495647074655² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495647074651) 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, 49564707461 + ... + 49564707470.

It is an arithmetic number, because the mean of its divisors is an integer number (148694122398).

Almost surely, 2^495647074655 is an apocalyptic number.

495647074655 is a deficient number, since it is larger than the sum of its proper divisors (99129414937).

495647074655 is an equidigital number, since it uses as much as digits as its factorization.

495647074655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99129414936.

The product of its (nonzero) digits is 127008000, while the sum is 62.

It can be divided in two parts, 4 and 95647074655, that added together give a palindrome (95647074659).

The spelling of 495647074655 in words is "four hundred ninety-five billion, six hundred forty-seven million, seventy-four thousand, six hundred fifty-five".