10644769539 has 12 divisors (see below), whose sum is σ = 15386379216. Its totient is φ = 7091620272.

The previous prime is 10644769537. The next prime is 10644769549. The reversal of 10644769539 is 93596744601.

10644769539 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 47 + 69 + 539 = 666.

10644769539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10644769539 - 2¹ = 10644769537 is a prime.

It is a super-2 number, since 2×10644769539² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10644769537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393927 + ... + 420080.

It is an arithmetic number, because the mean of its divisors is an integer number (1282198268).

Almost surely, 2^10644769539 is an apocalyptic number.

10644769539 is a deficient number, since it is larger than the sum of its proper divisors (4741609677).

10644769539 is a wasteful number, since it uses less digits than its factorization.

10644769539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815466 (or 815463 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 10644769539 in words is "ten billion, six hundred forty-four million, seven hundred sixty-nine thousand, five hundred thirty-nine".