99873628453 has 2 divisors, whose sum is σ = 99873628454. Its totient is φ = 99873628452.

The previous prime is 99873628447. The next prime is 99873628471. The reversal of 99873628453 is 35482637899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63294005889 + 36579622564 = 251583^2 + 191258^2 .

It is a cyclic number.

It is not a de Polignac number, because 99873628453 - 2⁹ = 99873627941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99873628753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49936814226 + 49936814227.

It is an arithmetic number, because the mean of its divisors is an integer number (49936814227).

Almost surely, 2^99873628453 is an apocalyptic number.

It is an amenable number.

99873628453 is a deficient number, since it is larger than the sum of its proper divisors (1).

99873628453 is an equidigital number, since it uses as much as digits as its factorization.

99873628453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 64.

The spelling of 99873628453 in words is "ninety-nine billion, eight hundred seventy-three million, six hundred twenty-eight thousand, four hundred fifty-three".