99673339399 has 2 divisors, whose sum is σ = 99673339400. Its totient is φ = 99673339398.

The previous prime is 99673339397. The next prime is 99673339429. The reversal of 99673339399 is 99393337699.

It is a weak prime.

It is an emirp because it is prime and its reverse (99393337699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99673339399 - 2¹ = 99673339397 is a prime.

Together with 99673339397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99673339393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49836669699 + 49836669700.

It is an arithmetic number, because the mean of its divisors is an integer number (49836669700).

Almost surely, 2^99673339399 is an apocalyptic number.

99673339399 is a deficient number, since it is larger than the sum of its proper divisors (1).

99673339399 is an equidigital number, since it uses as much as digits as its factorization.

99673339399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200884698, while the sum is 70.

The spelling of 99673339399 in words is "ninety-nine billion, six hundred seventy-three million, three hundred thirty-nine thousand, three hundred ninety-nine".