99714658421 has 24 divisors (see below), whose sum is σ = 117205413696. Its totient is φ = 84582072960.

The previous prime is 99714658411. The next prime is 99714658427. The reversal of 99714658421 is 12485641799.

It is not a de Polignac number, because 99714658421 - 2⁶ = 99714658357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99714658427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1830701 + ... + 1884381.

It is an arithmetic number, because the mean of its divisors is an integer number (4883558904).

Almost surely, 2^99714658421 is an apocalyptic number.

It is an amenable number.

99714658421 is a deficient number, since it is larger than the sum of its proper divisors (17490755275).

99714658421 is a wasteful number, since it uses less digits than its factorization.

99714658421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54089 (or 54082 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The spelling of 99714658421 in words is "ninety-nine billion, seven hundred fourteen million, six hundred fifty-eight thousand, four hundred twenty-one".