491120674852 has 12 divisors (see below), whose sum is σ = 859494931596. Its totient is φ = 245550694400.

The previous prime is 491120674823. The next prime is 491120674853. The reversal of 491120674852 is 258476021194.

It can be written as a sum of positive squares in 2 ways, for example, as 482769273856 + 8351400996 = 694816^2 + 91386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 491120674796 and 491120674805.

It is not an unprimeable number, because it can be changed into a prime (491120674853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295553 + ... + 2500360.

It is an arithmetic number, because the mean of its divisors is an integer number (71624577633).

Almost surely, 2^491120674852 is an apocalyptic number.

It is an amenable number.

491120674852 is a deficient number, since it is larger than the sum of its proper divisors (368374256744).

491120674852 is a wasteful number, since it uses less digits than its factorization.

491120674852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821518 (or 4821516 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 491120674852 in words is "four hundred ninety-one billion, one hundred twenty million, six hundred seventy-four thousand, eight hundred fifty-two".