10009999968 has 96 divisors (see below), whose sum is σ = 26473041504. Its totient is φ = 3311788032.

The previous prime is 10009999949. The next prime is 10009999969. The reversal of 10009999968 is 86999990001.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009999969) 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, 8960946 + ... + 8962062.

It is an arithmetic number, because the mean of its divisors is an integer number (275760849).

Almost surely, 2^10009999968 is an apocalyptic number.

It is an amenable number.

10009999968 is an abundant number, since it is smaller than the sum of its proper divisors (16463041536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10009999968 is a wasteful number, since it uses less digits than its factorization.

10009999968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 60.

The spelling of 10009999968 in words is "ten billion, nine million, nine hundred ninety-nine thousand, nine hundred sixty-eight".