10639847447 has 2 divisors, whose sum is σ = 10639847448. Its totient is φ = 10639847446.

The previous prime is 10639847437. The next prime is 10639847461. The reversal of 10639847447 is 74474893601.

10639847447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10639847447 - 2⁸ = 10639847191 is a prime.

It is a super-2 number, since 2×10639847447² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10639847417) 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, 5319923723 + 5319923724.

It is an arithmetic number, because the mean of its divisors is an integer number (5319923724).

Almost surely, 2^10639847447 is an apocalyptic number.

10639847447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10639847447 is an equidigital number, since it uses as much as digits as its factorization.

10639847447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 10639847447 in words is "ten billion, six hundred thirty-nine million, eight hundred forty-seven thousand, four hundred forty-seven".