5488645997 has 2 divisors, whose sum is σ = 5488645998. Its totient is φ = 5488645996.

The previous prime is 5488645979. The next prime is 5488646003. The reversal of 5488645997 is 7995468845.

Together with previous prime (5488645979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5099530921 + 389115076 = 71411^2 + 19726^2 .

It is a cyclic number.

It is not a de Polignac number, because 5488645997 - 2²⁰ = 5487597421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5488645927) 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 as a sum of consecutive naturals, namely, 2744322998 + 2744322999.

It is an arithmetic number, because the mean of its divisors is an integer number (2744322999).

Almost surely, 2^5488645997 is an apocalyptic number.

It is an amenable number.

5488645997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5488645997 is an equidigital number, since it uses as much as digits as its factorization.

5488645997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 65.

The square root of 5488645997 is about 74085.3966514319. The cubic root of 5488645997 is about 1763.9586767648.

The spelling of 5488645997 in words is "five billion, four hundred eighty-eight million, six hundred forty-five thousand, nine hundred ninety-seven".