10500309839 has 2 divisors, whose sum is σ = 10500309840. Its totient is φ = 10500309838.

The previous prime is 10500309823. The next prime is 10500309857. The reversal of 10500309839 is 93890300501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10500309839 - 2⁴ = 10500309823 is a prime.

It is a super-2 number, since 2×10500309839² (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 (10500303839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250154919 + 5250154920.

It is an arithmetic number, because the mean of its divisors is an integer number (5250154920).

Almost surely, 2^10500309839 is an apocalyptic number.

10500309839 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500309839 is an equidigital number, since it uses as much as digits as its factorization.

10500309839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 10500309839 in words is "ten billion, five hundred million, three hundred nine thousand, eight hundred thirty-nine".