10938264993 has 6 divisors (see below), whose sum is σ = 15799716114. Its totient is φ = 7292176656.

The previous prime is 10938264989. The next prime is 10938265033. The reversal of 10938264993 is 39946283901.

It can be written as a sum of positive squares in only one way, i.e., 6715474704 + 4222790289 = 81948^2 + 64983^2 .

It is not a de Polignac number, because 10938264993 - 2² = 10938264989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10938264923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 607681380 + ... + 607681397.

It is an arithmetic number, because the mean of its divisors is an integer number (2633286019).

Almost surely, 2^10938264993 is an apocalyptic number.

It is an amenable number.

10938264993 is a deficient number, since it is larger than the sum of its proper divisors (4861451121).

10938264993 is a wasteful number, since it uses less digits than its factorization.

10938264993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215362783 (or 1215362780 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 10938264993 in words is "ten billion, nine hundred thirty-eight million, two hundred sixty-four thousand, nine hundred ninety-three".