99003204621593 has 2 divisors, whose sum is σ = 99003204621594. Its totient is φ = 99003204621592.

The previous prime is 99003204621533. The next prime is 99003204621599. The reversal of 99003204621593 is 39512640230099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96230057134864 + 2773147486729 = 9809692^2 + 1665277^2 .

It is an emirp because it is prime and its reverse (39512640230099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99003204621593 - 2⁸ = 99003204621337 is a prime.

It is not a weakly prime, because it can be changed into another prime (99003204621599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49501602310796 + 49501602310797.

It is an arithmetic number, because the mean of its divisors is an integer number (49501602310797).

Almost surely, 2^{99003204621593} is an apocalyptic number.

It is an amenable number.

99003204621593 is a deficient number, since it is larger than the sum of its proper divisors (1).

99003204621593 is an equidigital number, since it uses as much as digits as its factorization.

99003204621593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 99003204621593 in words is "ninety-nine trillion, three billion, two hundred four million, six hundred twenty-one thousand, five hundred ninety-three".