9598448957 has 2 divisors, whose sum is σ = 9598448958. Its totient is φ = 9598448956.

The previous prime is 9598448953. The next prime is 9598448963. The reversal of 9598448957 is 7598448959.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7384652356 + 2213796601 = 85934^2 + 47051^2 .

It is a cyclic number.

It is not a de Polignac number, because 9598448957 - 2² = 9598448953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9598448953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4799224478 + 4799224479.

It is an arithmetic number, because the mean of its divisors is an integer number (4799224479).

Almost surely, 2^9598448957 is an apocalyptic number.

It is an amenable number.

9598448957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9598448957 is an equidigital number, since it uses as much as digits as its factorization.

9598448957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 68.

The square root of 9598448957 is about 97971.6742584304. The cubic root of 9598448957 is about 2125.2026718437.

The spelling of 9598448957 in words is "nine billion, five hundred ninety-eight million, four hundred forty-eight thousand, nine hundred fifty-seven".