6598448957 has 16 divisors (see below), whose sum is σ = 6842327040. Its totient is φ = 6359649408.

The previous prime is 6598448917. The next prime is 6598448963. The reversal of 6598448957 is 7598448956.

It is a cyclic number.

It is not a de Polignac number, because 6598448957 - 2²⁶ = 6531340093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6598448893 and 6598448902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6598448917) 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 15 ways as a sum of consecutive naturals, for example, 813719 + ... + 821787.

It is an arithmetic number, because the mean of its divisors is an integer number (427645440).

Almost surely, 2^6598448957 is an apocalyptic number.

It is an amenable number.

6598448957 is a deficient number, since it is larger than the sum of its proper divisors (243878083).

6598448957 is a wasteful number, since it uses less digits than its factorization.

6598448957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380.

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

The square root of 6598448957 is about 81230.8374756779. The cubic root of 6598448957 is about 1875.6305038805.

Subtracting 6598448957 from its reverse (7598448956), we obtain a palindrome (999999999).

The spelling of 6598448957 in words is "six billion, five hundred ninety-eight million, four hundred forty-eight thousand, nine hundred fifty-seven".