99373237399 has 4 divisors (see below), whose sum is σ = 100631126560. Its totient is φ = 98115348240.

The previous prime is 99373237387. The next prime is 99373237493.

99373237399 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 not a de Polignac number, because 99373237399 - 2¹⁵ = 99373204631 is a prime.

It is a super-2 number, since 2×99373237399² (a number of 23 digits) contains 22 as substring.

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 99373237399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99373237319) 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, 628944462 + ... + 628944619.

It is an arithmetic number, because the mean of its divisors is an integer number (25157781640).

Almost surely, 2^99373237399 is an apocalyptic number.

99373237399 is a deficient number, since it is larger than the sum of its proper divisors (1257889161).

99373237399 is a wasteful number, since it uses less digits than its factorization.

99373237399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257889160.

The product of its digits is 52081218, while the sum is 64.

The spelling of 99373237399 in words is "ninety-nine billion, three hundred seventy-three million, two hundred thirty-seven thousand, three hundred ninety-nine".