5091646897 has 8 divisors (see below), whose sum is σ = 5402419200. Its totient is φ = 4782126144.

The previous prime is 5091646871. The next prime is 5091646921. The reversal of 5091646897 is 7986461905.

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

It is a cyclic number.

It is not a de Polignac number, because 5091646897 - 2¹⁹ = 5091122609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091641897) 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, 304497 + ... + 320782.

It is an arithmetic number, because the mean of its divisors is an integer number (675302400).

Almost surely, 2^5091646897 is an apocalyptic number.

It is an amenable number.

5091646897 is a deficient number, since it is larger than the sum of its proper divisors (310772303).

5091646897 is a wasteful number, since it uses less digits than its factorization.

5091646897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625775.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 5091646897 is about 71355.7768999820. The cubic root of 5091646897 is about 1720.3603554732.

The spelling of 5091646897 in words is "five billion, ninety-one million, six hundred forty-six thousand, eight hundred ninety-seven".