491504967 has 6 divisors (see below), whose sum is σ = 709951632. Its totient is φ = 327669972.

The previous prime is 491504947. The next prime is 491504971. The reversal of 491504967 is 769405194.

491504967 is a `hidden beast` number, since 4 + 9 + 150 + 496 + 7 = 666.

It is not a de Polignac number, because 491504967 - 2²⁷ = 357287239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491504947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27305823 + ... + 27305840.

It is an arithmetic number, because the mean of its divisors is an integer number (118325272).

Almost surely, 2^491504967 is an apocalyptic number.

491504967 is a deficient number, since it is larger than the sum of its proper divisors (218446665).

491504967 is a wasteful number, since it uses less digits than its factorization.

491504967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54611669 (or 54611666 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 491504967 is about 22169.9112988753. The cubic root of 491504967 is about 789.1798180080.

The spelling of 491504967 in words is "four hundred ninety-one million, five hundred four thousand, nine hundred sixty-seven".