99021508583353 has 2 divisors, whose sum is σ = 99021508583354. Its totient is φ = 99021508583352.

The previous prime is 99021508583321. The next prime is 99021508583357. The reversal of 99021508583353 is 35338580512099.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91829902515264 + 7191606068089 = 9582792^2 + 2681717^2 .

It is a cyclic number.

It is not a de Polignac number, because 99021508583353 - 2⁵ = 99021508583321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99021508583291 and 99021508583300.

It is not a weakly prime, because it can be changed into another prime (99021508583357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49510754291676 + 49510754291677.

It is an arithmetic number, because the mean of its divisors is an integer number (49510754291677).

Almost surely, 2^{99021508583353} is an apocalyptic number.

It is an amenable number.

99021508583353 is a deficient number, since it is larger than the sum of its proper divisors (1).

99021508583353 is an equidigital number, since it uses as much as digits as its factorization.

99021508583353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 99021508583353 in words is "ninety-nine trillion, twenty-one billion, five hundred eight million, five hundred eighty-three thousand, three hundred fifty-three".