491347707 has 8 divisors (see below), whose sum is σ = 655309584. Its totient is φ = 327475488.

The previous prime is 491347697. The next prime is 491347709. The reversal of 491347707 is 707743194.

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

It is not a de Polignac number, because 491347707 - 2¹⁶ = 491282171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (491347709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8368 + ... + 32445.

It is an arithmetic number, because the mean of its divisors is an integer number (81913698).

Almost surely, 2^491347707 is an apocalyptic number.

491347707 is a deficient number, since it is larger than the sum of its proper divisors (163961877).

491347707 is a wasteful number, since it uses less digits than its factorization.

491347707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44829.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 491347707 is about 22166.3643162337. The cubic root of 491347707 is about 789.0956414041.

The spelling of 491347707 in words is "four hundred ninety-one million, three hundred forty-seven thousand, seven hundred seven".