491941037 has 12 divisors (see below), whose sum is σ = 580322016. Its totient is φ = 415721880.

The previous prime is 491941033. The next prime is 491941039. The reversal of 491941037 is 730149194.

It is not a de Polignac number, because 491941037 - 2² = 491941033 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 (491941031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67223 + ... + 74180.

It is an arithmetic number, because the mean of its divisors is an integer number (48360168).

Almost surely, 2^491941037 is an apocalyptic number.

It is an amenable number.

491941037 is a deficient number, since it is larger than the sum of its proper divisors (88380979).

491941037 is a wasteful number, since it uses less digits than its factorization.

491941037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141488 (or 141481 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 491941037 is about 22179.7438443279. The cubic root of 491941037 is about 789.4131394336.

The spelling of 491941037 in words is "four hundred ninety-one million, nine hundred forty-one thousand, thirty-seven".