99996379651 has 16 divisors (see below), whose sum is σ = 114523940608. Its totient is φ = 85529584800.

The previous prime is 99996379627. The next prime is 99996379661. The reversal of 99996379651 is 15697369999.

It is a cyclic number.

It is not a de Polignac number, because 99996379651 - 2²⁵ = 99962825219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99996379621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8182936 + ... + 8195146.

It is an arithmetic number, because the mean of its divisors is an integer number (7157746288).

Almost surely, 2^99996379651 is an apocalyptic number.

99996379651 is a deficient number, since it is larger than the sum of its proper divisors (14527560957).

99996379651 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (99996379650) it forms an eRAP, since the sums of their prime factors are consecutive (14601 and 14602).

99996379651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602.

The product of its digits is 223205220, while the sum is 73.

The spelling of 99996379651 in words is "ninety-nine billion, nine hundred ninety-six million, three hundred seventy-nine thousand, six hundred fifty-one".