9998962616453 has 2 divisors, whose sum is σ = 9998962616454. Its totient is φ = 9998962616452.

The previous prime is 9998962616437. The next prime is 9998962616483. The reversal of 9998962616453 is 3546162698999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9788995215169 + 209967401284 = 3128737^2 + 458222^2 .

It is a cyclic number.

It is not a de Polignac number, because 9998962616453 - 2⁴ = 9998962616437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9998962616483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999481308226 + 4999481308227.

It is an arithmetic number, because the mean of its divisors is an integer number (4999481308227).

Almost surely, 2^{9998962616453} is an apocalyptic number.

It is an amenable number.

9998962616453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998962616453 is an equidigital number, since it uses as much as digits as its factorization.

9998962616453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360488960, while the sum is 77.

The spelling of 9998962616453 in words is "nine trillion, nine hundred ninety-eight billion, nine hundred sixty-two million, six hundred sixteen thousand, four hundred fifty-three".