99264699439 has 4 divisors (see below), whose sum is σ = 105103799424. Its totient is φ = 93425599456.

The previous prime is 99264699437. The next prime is 99264699451. The reversal of 99264699439 is 93499646299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93499646299 = 23 ⋅4065202013.

It is a cyclic number.

It is not a de Polignac number, because 99264699439 - 2¹ = 99264699437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99264699433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2919549967 + ... + 2919550000.

It is an arithmetic number, because the mean of its divisors is an integer number (26275949856).

Almost surely, 2^99264699439 is an apocalyptic number.

99264699439 is a deficient number, since it is larger than the sum of its proper divisors (5839099985).

99264699439 is a wasteful number, since it uses less digits than its factorization.

99264699439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839099984.

The product of its digits is 204073344, while the sum is 70.

The spelling of 99264699439 in words is "ninety-nine billion, two hundred sixty-four million, six hundred ninety-nine thousand, four hundred thirty-nine".