495967452571 has 4 divisors (see below), whose sum is σ = 498537232312. Its totient is φ = 493397672832.

The previous prime is 495967452523. The next prime is 495967452581. The reversal of 495967452571 is 175254769594.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495967452571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495967452581) 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, 1284889581 + ... + 1284889966.

It is an arithmetic number, because the mean of its divisors is an integer number (124634308078).

Almost surely, 2^495967452571 is an apocalyptic number.

495967452571 is a deficient number, since it is larger than the sum of its proper divisors (2569779741).

495967452571 is a wasteful number, since it uses less digits than its factorization.

495967452571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569779740.

The product of its digits is 95256000, while the sum is 64.

The spelling of 495967452571 in words is "four hundred ninety-five billion, nine hundred sixty-seven million, four hundred fifty-two thousand, five hundred seventy-one".