5751686491 has 4 divisors (see below), whose sum is σ = 5808633984. Its totient is φ = 5694739000.

The previous prime is 5751686477. The next prime is 5751686497. The reversal of 5751686491 is 1946861575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5751686491 - 2⁵ = 5751686459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5751686497) 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 3 ways as a sum of consecutive naturals, for example, 28473595 + ... + 28473796.

It is an arithmetic number, because the mean of its divisors is an integer number (1452158496).

Almost surely, 2^5751686491 is an apocalyptic number.

5751686491 is a deficient number, since it is larger than the sum of its proper divisors (56947493).

5751686491 is a wasteful number, since it uses less digits than its factorization.

5751686491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56947492.

The product of its digits is 1814400, while the sum is 52.

The square root of 5751686491 is about 75839.8740175641. The cubic root of 5751686491 is about 1791.6990713716.

The spelling of 5751686491 in words is "five billion, seven hundred fifty-one million, six hundred eighty-six thousand, four hundred ninety-one".