99215694445 has 16 divisors (see below), whose sum is σ = 143228672640. Its totient is φ = 64452901824.

The previous prime is 99215694419. The next prime is 99215694451. The reversal of 99215694445 is 54449651299.

It is a cyclic number.

It is not a de Polignac number, because 99215694445 - 2²⁹ = 98678823533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99215694445.

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, 74597602 + ... + 74598931.

It is an arithmetic number, because the mean of its divisors is an integer number (8951792040).

Almost surely, 2^99215694445 is an apocalyptic number.

99215694445 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99215694445 is a deficient number, since it is larger than the sum of its proper divisors (44012978195).

99215694445 is a wasteful number, since it uses less digits than its factorization.

99215694445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149196564.

The product of its digits is 13996800, while the sum is 58.

The spelling of 99215694445 in words is "ninety-nine billion, two hundred fifteen million, six hundred ninety-four thousand, four hundred forty-five".