492811965 has 32 divisors (see below), whose sum is σ = 878054400. Its totient is φ = 262249920.

The previous prime is 492811951. The next prime is 492811973. The reversal of 492811965 is 569118294.

It is a de Polignac number, because none of the positive numbers 2^k-492811965 is a prime.

It is a super-2 number, since 2×492811965² = 485727265694322450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 492811965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60855 + ... + 68475.

It is an arithmetic number, because the mean of its divisors is an integer number (27439200).

Almost surely, 2^492811965 is an apocalyptic number.

492811965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

492811965 is a deficient number, since it is larger than the sum of its proper divisors (385242435).

492811965 is a wasteful number, since it uses less digits than its factorization.

492811965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114 (or 8108 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 492811965 is about 22199.3685721013. The cubic root of 492811965 is about 789.8787214350.

The spelling of 492811965 in words is "four hundred ninety-two million, eight hundred eleven thousand, nine hundred sixty-five".