5597672491 has 4 divisors (see below), whose sum is σ = 5603584392. Its totient is φ = 5591760592.

The previous prime is 5597672489. The next prime is 5597672497. The reversal of 5597672491 is 1942767955.

It is a happy number.

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 5597672491 - 2¹ = 5597672489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5597672497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2954530 + ... + 2956423.

It is an arithmetic number, because the mean of its divisors is an integer number (1400896098).

Almost surely, 2^5597672491 is an apocalyptic number.

5597672491 is a deficient number, since it is larger than the sum of its proper divisors (5911901).

5597672491 is an equidigital number, since it uses as much as digits as its factorization.

5597672491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911900.

The product of its digits is 4762800, while the sum is 55.

The square root of 5597672491 is about 74817.5947956094. The cubic root of 5597672491 is about 1775.5619450408.

The spelling of 5597672491 in words is "five billion, five hundred ninety-seven million, six hundred seventy-two thousand, four hundred ninety-one".