10523644639 has 2 divisors, whose sum is σ = 10523644640. Its totient is φ = 10523644638.

The previous prime is 10523644597. The next prime is 10523644667. The reversal of 10523644639 is 93644632501.

10523644639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10523644639 is a prime.

It is a super-2 number, since 2×10523644639² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10523644595 and 10523644604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10523644699) 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 as a sum of consecutive naturals, namely, 5261822319 + 5261822320.

It is an arithmetic number, because the mean of its divisors is an integer number (5261822320).

Almost surely, 2^10523644639 is an apocalyptic number.

10523644639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10523644639 is an equidigital number, since it uses as much as digits as its factorization.

10523644639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 10523644639 in words is "ten billion, five hundred twenty-three million, six hundred forty-four thousand, six hundred thirty-nine".