99071243692 has 6 divisors (see below), whose sum is σ = 173374676468. Its totient is φ = 49535621844.

The previous prime is 99071243629. The next prime is 99071243861. The reversal of 99071243692 is 29634217099.

It is a happy number.

It is a super-2 number, since 2×99071243692² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12383905458 + ... + 12383905465.

Almost surely, 2^99071243692 is an apocalyptic number.

It is an amenable number.

99071243692 is a deficient number, since it is larger than the sum of its proper divisors (74303432776).

99071243692 is a wasteful number, since it uses less digits than its factorization.

99071243692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24767810927 (or 24767810925 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 99071243692 in words is "ninety-nine billion, seventy-one million, two hundred forty-three thousand, six hundred ninety-two".