10663138933 has 4 divisors (see below), whose sum is σ = 10768714668. Its totient is φ = 10557563200.

The previous prime is 10663138921. The next prime is 10663138943. The reversal of 10663138933 is 33983136601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5429773969 + 5233364964 = 73687^2 + 72342^2 .

It is a cyclic number.

It is not a de Polignac number, because 10663138933 - 2²⁵ = 10629584501 is a prime.

It is a super-2 number, since 2×10663138933² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10663138933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663138943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52787716 + ... + 52787917.

It is an arithmetic number, because the mean of its divisors is an integer number (2692178667).

Almost surely, 2^10663138933 is an apocalyptic number.

It is an amenable number.

10663138933 is a deficient number, since it is larger than the sum of its proper divisors (105575735).

10663138933 is a wasteful number, since it uses less digits than its factorization.

10663138933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105575734.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 10663138933 in words is "ten billion, six hundred sixty-three million, one hundred thirty-eight thousand, nine hundred thirty-three".