9898459031 has 2 divisors, whose sum is σ = 9898459032. Its totient is φ = 9898459030.

The previous prime is 9898459019. The next prime is 9898459037. The reversal of 9898459031 is 1309548989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9898459031 - 2⁶ = 9898458967 is a prime.

It is a super-2 number, since 2×9898459031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9898459037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949229515 + 4949229516.

It is an arithmetic number, because the mean of its divisors is an integer number (4949229516).

Almost surely, 2^9898459031 is an apocalyptic number.

9898459031 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898459031 is an equidigital number, since it uses as much as digits as its factorization.

9898459031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The square root of 9898459031 is about 99490.9997487210. Note that the first 3 decimals coincide. The cubic root of 9898459031 is about 2147.1177553733.

The spelling of 9898459031 in words is "nine billion, eight hundred ninety-eight million, four hundred fifty-nine thousand, thirty-one".