98156525449 has 2 divisors, whose sum is σ = 98156525450. Its totient is φ = 98156525448.

The previous prime is 98156525413. The next prime is 98156525459. The reversal of 98156525449 is 94452565189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59881515849 + 38275009600 = 244707^2 + 195640^2 .

It is a cyclic number.

It is not a de Polignac number, because 98156525449 - 2⁹ = 98156524937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98156525393 and 98156525402.

It is not a weakly prime, because it can be changed into another prime (98156525459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49078262724 + 49078262725.

It is an arithmetic number, because the mean of its divisors is an integer number (49078262725).

Almost surely, 2^98156525449 is an apocalyptic number.

It is an amenable number.

98156525449 is a deficient number, since it is larger than the sum of its proper divisors (1).

98156525449 is an equidigital number, since it uses as much as digits as its factorization.

98156525449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552000, while the sum is 58.

The spelling of 98156525449 in words is "ninety-eight billion, one hundred fifty-six million, five hundred twenty-five thousand, four hundred forty-nine".