491674290711 has 8 divisors (see below), whose sum is σ = 671555128944. Its totient is φ = 319788156480.

The previous prime is 491674290641. The next prime is 491674290727. The reversal of 491674290711 is 117092476194.

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

It is not a de Polignac number, because 491674290711 - 2¹⁴ = 491674274327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491674290511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998675856 + ... + 1998676101.

It is an arithmetic number, because the mean of its divisors is an integer number (83944391118).

Almost surely, 2^491674290711 is an apocalyptic number.

491674290711 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

491674290711 is a deficient number, since it is larger than the sum of its proper divisors (179880838233).

491674290711 is a wasteful number, since it uses less digits than its factorization.

491674290711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997352001.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 491674290711 in words is "four hundred ninety-one billion, six hundred seventy-four million, two hundred ninety thousand, seven hundred eleven".