10013936868 has 36 divisors (see below), whose sum is σ = 27260162748. Its totient is φ = 3081211200.

The previous prime is 10013936831. The next prime is 10013936869. The reversal of 10013936868 is 86863931001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4413210624 + 5600726244 = 66432^2 + 74838^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (10013936869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10698183 + ... + 10699118.

It is an arithmetic number, because the mean of its divisors is an integer number (757226743).

Almost surely, 2^10013936868 is an apocalyptic number.

10013936868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10013936868 is an abundant number, since it is smaller than the sum of its proper divisors (17246225880).

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

10013936868 is a wasteful number, since it uses less digits than its factorization.

10013936868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21397324 (or 21397319 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 10013936868 in words is "ten billion, thirteen million, nine hundred thirty-six thousand, eight hundred sixty-eight".