495642631197 has 8 divisors (see below), whose sum is σ = 755264961856. Its totient is φ = 283224360672.

The previous prime is 495642631157. The next prime is 495642631207. The reversal of 495642631197 is 791136246594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 495642631197 - 2⁷ = 495642631069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495642631117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11801015008 + ... + 11801015049.

It is an arithmetic number, because the mean of its divisors is an integer number (94408120232).

Almost surely, 2^495642631197 is an apocalyptic number.

It is an amenable number.

495642631197 is a deficient number, since it is larger than the sum of its proper divisors (259622330659).

495642631197 is a wasteful number, since it uses less digits than its factorization.

495642631197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602030067.

The product of its digits is 9797760, while the sum is 57.

The spelling of 495642631197 in words is "four hundred ninety-five billion, six hundred forty-two million, six hundred thirty-one thousand, one hundred ninety-seven".