998053528453 has 2 divisors, whose sum is σ = 998053528454. Its totient is φ = 998053528452.

The previous prime is 998053528427. The next prime is 998053528457. The reversal of 998053528453 is 354825350899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718727537284 + 279325991169 = 847778^2 + 528513^2 .

It is a cyclic number.

It is not a de Polignac number, because 998053528453 - 2³³ = 989463593861 is a prime.

It is a super-2 number, since 2×998053528453² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 998053528391 and 998053528400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998053528457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499026764226 + 499026764227.

It is an arithmetic number, because the mean of its divisors is an integer number (499026764227).

Almost surely, 2^998053528453 is an apocalyptic number.

It is an amenable number.

998053528453 is a deficient number, since it is larger than the sum of its proper divisors (1).

998053528453 is an equidigital number, since it uses as much as digits as its factorization.

998053528453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 998053528453 in words is "nine hundred ninety-eight billion, fifty-three million, five hundred twenty-eight thousand, four hundred fifty-three".