99913663709 has 8 divisors (see below), whose sum is σ = 100343473440. Its totient is φ = 99484749936.

The previous prime is 99913663697. The next prime is 99913663711. The reversal of 99913663709 is 90736631999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99913663709 - 2⁸ = 99913663453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99913663609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 447020.

It is an arithmetic number, because the mean of its divisors is an integer number (12542934180).

Almost surely, 2^99913663709 is an apocalyptic number.

It is an amenable number.

99913663709 is a deficient number, since it is larger than the sum of its proper divisors (429809731).

99913663709 is a wasteful number, since it uses less digits than its factorization.

99913663709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447979.

The product of its (nonzero) digits is 14880348, while the sum is 62.

The spelling of 99913663709 in words is "ninety-nine billion, nine hundred thirteen million, six hundred sixty-three thousand, seven hundred nine".