99333394649 has 2 divisors, whose sum is σ = 99333394650. Its totient is φ = 99333394648.

The previous prime is 99333394571. The next prime is 99333394703. The reversal of 99333394649 is 94649333399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93366913600 + 5966481049 = 305560^2 + 77243^2 .

It is a cyclic number.

It is not a de Polignac number, because 99333394649 - 2⁸ = 99333394393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99333394591 and 99333394600.

It is not a weakly prime, because it can be changed into another prime (99333394249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49666697324 + 49666697325.

It is an arithmetic number, because the mean of its divisors is an integer number (49666697325).

Almost surely, 2^99333394649 is an apocalyptic number.

It is an amenable number.

99333394649 is a deficient number, since it is larger than the sum of its proper divisors (1).

99333394649 is an equidigital number, since it uses as much as digits as its factorization.

99333394649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51018336, while the sum is 62.

The spelling of 99333394649 in words is "ninety-nine billion, three hundred thirty-three million, three hundred ninety-four thousand, six hundred forty-nine".