491795635 has 24 divisors (see below), whose sum is σ = 630273456. Its totient is φ = 368309760.

The previous prime is 491795609. The next prime is 491795641. The reversal of 491795635 is 536597194.

It is not a de Polignac number, because 491795635 - 2²⁷ = 357577907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304089 + ... + 305701.

It is an arithmetic number, because the mean of its divisors is an integer number (26261394).

Almost surely, 2^491795635 is an apocalyptic number.

491795635 is a deficient number, since it is larger than the sum of its proper divisors (138477821).

491795635 is a wasteful number, since it uses less digits than its factorization.

491795635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1846 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 49.

The square root of 491795635 is about 22176.4657914646. The cubic root of 491795635 is about 789.3353566973.

The spelling of 491795635 in words is "four hundred ninety-one million, seven hundred ninety-five thousand, six hundred thirty-five".