99345366493 has 2 divisors, whose sum is σ = 99345366494. Its totient is φ = 99345366492.

The previous prime is 99345366467. The next prime is 99345366499. The reversal of 99345366493 is 39466354399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76028687289 + 23316679204 = 275733^2 + 152698^2 .

It is a cyclic number.

It is not a de Polignac number, because 99345366493 - 2¹⁷ = 99345235421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99345366499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49672683246 + 49672683247.

It is an arithmetic number, because the mean of its divisors is an integer number (49672683247).

Almost surely, 2^99345366493 is an apocalyptic number.

It is an amenable number.

99345366493 is a deficient number, since it is larger than the sum of its proper divisors (1).

99345366493 is an equidigital number, since it uses as much as digits as its factorization.

99345366493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56687040, while the sum is 61.

The spelling of 99345366493 in words is "ninety-nine billion, three hundred forty-five million, three hundred sixty-six thousand, four hundred ninety-three".