495017398972 has 48 divisors (see below), whose sum is σ = 887877365760. Its totient is φ = 241396953408.

The previous prime is 495017398957. The next prime is 495017399057. The reversal of 495017398972 is 279893710594.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33984163 + ... + 33998725.

It is an arithmetic number, because the mean of its divisors is an integer number (18497445120).

Almost surely, 2^495017398972 is an apocalyptic number.

It is an amenable number.

495017398972 is a deficient number, since it is larger than the sum of its proper divisors (392859966788).

495017398972 is a wasteful number, since it uses less digits than its factorization.

495017398972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15562 (or 15560 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 495017398972 in words is "four hundred ninety-five billion, seventeen million, three hundred ninety-eight thousand, nine hundred seventy-two".