99309490399 has 8 divisors (see below), whose sum is σ = 113519035520. Its totient is φ = 85105564056.

The previous prime is 99309490391. The next prime is 99309490409.

99309490399 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99309490399 - 2³ = 99309490391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99309490399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99309490391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366749 + ... + 1437574.

It is an arithmetic number, because the mean of its divisors is an integer number (14189879440).

Almost surely, 2^99309490399 is an apocalyptic number.

99309490399 is a deficient number, since it is larger than the sum of its proper divisors (14209545121).

99309490399 is a wasteful number, since it uses less digits than its factorization.

99309490399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809389.

The product of its (nonzero) digits is 19131876, while the sum is 64.

The spelling of 99309490399 in words is "ninety-nine billion, three hundred nine million, four hundred ninety thousand, three hundred ninety-nine".