10749716645 has 8 divisors (see below), whose sum is σ = 12993818904. Its totient is φ = 8537000704.

The previous prime is 10749716639. The next prime is 10749716669. The reversal of 10749716645 is 54661794701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2525766049 + 8223950596 = 50257^2 + 90686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10749716645 - 2⁴ = 10749716629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10749716593 and 10749716602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7845824 + ... + 7847193.

It is an arithmetic number, because the mean of its divisors is an integer number (1624227363).

Almost surely, 2^10749716645 is an apocalyptic number.

It is an amenable number.

10749716645 is a deficient number, since it is larger than the sum of its proper divisors (2244102259).

10749716645 is a wasteful number, since it uses less digits than its factorization.

10749716645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15693159.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 10749716645 in words is "ten billion, seven hundred forty-nine million, seven hundred sixteen thousand, six hundred forty-five".