9998152529 has 2 divisors, whose sum is σ = 9998152530. Its totient is φ = 9998152528.

The previous prime is 9998152487. The next prime is 9998152537. The reversal of 9998152529 is 9252518999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6800476225 + 3197676304 = 82465^2 + 56548^2 .

It is a cyclic number.

It is not a de Polignac number, because 9998152529 - 2⁸ = 9998152273 is a prime.

It is not a weakly prime, because it can be changed into another prime (9998151529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999076264 + 4999076265.

It is an arithmetic number, because the mean of its divisors is an integer number (4999076265).

Almost surely, 2^9998152529 is an apocalyptic number.

It is an amenable number.

9998152529 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998152529 is an equidigital number, since it uses as much as digits as its factorization.

9998152529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5248800, while the sum is 59.

The square root of 9998152529 is about 99990.7622183169. The cubic root of 9998152529 is about 2154.3020066736.

The spelling of 9998152529 in words is "nine billion, nine hundred ninety-eight million, one hundred fifty-two thousand, five hundred twenty-nine".