9904298813 has 2 divisors, whose sum is σ = 9904298814. Its totient is φ = 9904298812.

The previous prime is 9904298791. The next prime is 9904298819. The reversal of 9904298813 is 3188924099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9903832324 + 466489 = 99518^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 9904298813 - 2⁸ = 9904298557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9904298819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4952149406 + 4952149407.

It is an arithmetic number, because the mean of its divisors is an integer number (4952149407).

Almost surely, 2^9904298813 is an apocalyptic number.

It is an amenable number.

9904298813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9904298813 is an equidigital number, since it uses as much as digits as its factorization.

9904298813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 9904298813 is about 99520.3437142376. The cubic root of 9904298813 is about 2147.5399165256.

The spelling of 9904298813 in words is "nine billion, nine hundred four million, two hundred ninety-eight thousand, eight hundred thirteen".