495634689 has 12 divisors (see below), whose sum is σ = 781000272. Its totient is φ = 300384600.

The previous prime is 495634687. The next prime is 495634709. The reversal of 495634689 is 986436594.

It is not a de Polignac number, because 495634689 - 2¹ = 495634687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495634687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2503107 + ... + 2503304.

It is an arithmetic number, because the mean of its divisors is an integer number (65083356).

Almost surely, 2^495634689 is an apocalyptic number.

It is an amenable number.

495634689 is a deficient number, since it is larger than the sum of its proper divisors (285365583).

495634689 is a wasteful number, since it uses less digits than its factorization.

495634689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006428 (or 5006425 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 495634689 is about 22262.8544665773. The cubic root of 495634689 is about 791.3839380042.

The spelling of 495634689 in words is "four hundred ninety-five million, six hundred thirty-four thousand, six hundred eighty-nine".