491036995 has 8 divisors (see below), whose sum is σ = 602948016. Its totient is φ = 383693856.

The previous prime is 491036963. The next prime is 491037013. The reversal of 491036995 is 599630194.

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

It is a cyclic number.

It is not a de Polignac number, because 491036995 - 2⁵ = 491036963 is a prime.

It is a super-2 number, since 2×491036995² = 482234660917260050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141732 + ... + 1142161.

It is an arithmetic number, because the mean of its divisors is an integer number (75368502).

Almost surely, 2^491036995 is an apocalyptic number.

491036995 is a deficient number, since it is larger than the sum of its proper divisors (111911021).

491036995 is a wasteful number, since it uses less digits than its factorization.

491036995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283941.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 491036995 is about 22159.3545709256. The cubic root of 491036995 is about 788.9292736899.

It can be divided in two parts, 4910 and 36995, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 491036995 in words is "four hundred ninety-one million, thirty-six thousand, nine hundred ninety-five".