10500500039 has 2 divisors, whose sum is σ = 10500500040. Its totient is φ = 10500500038.

The previous prime is 10500500009. The next prime is 10500500077. The reversal of 10500500039 is 93000500501.

10500500039 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 a de Polignac number, because none of the positive numbers 2^k-10500500039 is a prime.

It is a super-2 number, since 2×10500500039² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10500499987 and 10500500023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10500500009) 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, 5250250019 + 5250250020.

It is an arithmetic number, because the mean of its divisors is an integer number (5250250020).

Almost surely, 2^10500500039 is an apocalyptic number.

10500500039 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500500039 is an equidigital number, since it uses as much as digits as its factorization.

10500500039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675, while the sum is 23.

The spelling of 10500500039 in words is "ten billion, five hundred million, five hundred thousand, thirty-nine".