99430685845 has 16 divisors (see below), whose sum is σ = 121540027392. Its totient is φ = 78072462720.

The previous prime is 99430685819. The next prime is 99430685869. The reversal of 99430685845 is 54858603499.

It is not a de Polignac number, because 99430685845 - 2¹¹ = 99430683797 is a prime.

It is a super-2 number, since 2×99430685845² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548832 + ... + 707161.

It is an arithmetic number, because the mean of its divisors is an integer number (7596251712).

Almost surely, 2^99430685845 is an apocalyptic number.

It is an amenable number.

99430685845 is a deficient number, since it is larger than the sum of its proper divisors (22109341547).

99430685845 is a wasteful number, since it uses less digits than its factorization.

99430685845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256292.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 99430685845 in words is "ninety-nine billion, four hundred thirty million, six hundred eighty-five thousand, eight hundred forty-five".