99438283499 has 4 divisors (see below), whose sum is σ = 99443024664. Its totient is φ = 99433542336.

The previous prime is 99438283493. The next prime is 99438283501.

99438283499 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99438283499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99438283493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338982 + ... + 2381115.

It is an arithmetic number, because the mean of its divisors is an integer number (24860756166).

Almost surely, 2^99438283499 is an apocalyptic number.

99438283499 is a deficient number, since it is larger than the sum of its proper divisors (4741165).

99438283499 is a wasteful number, since it uses less digits than its factorization.

99438283499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741164.

The product of its digits is 120932352, while the sum is 68.

The spelling of 99438283499 in words is "ninety-nine billion, four hundred thirty-eight million, two hundred eighty-three thousand, four hundred ninety-nine".