10646039539 has 2 divisors, whose sum is σ = 10646039540. Its totient is φ = 10646039538.

The previous prime is 10646039531. The next prime is 10646039543. The reversal of 10646039539 is 93593064601.

It is a strong prime.

It is an emirp because it is prime and its reverse (93593064601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10646039539 - 2³ = 10646039531 is a prime.

It is a super-2 number, since 2×10646039539² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10646039531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5323019769 + 5323019770.

It is an arithmetic number, because the mean of its divisors is an integer number (5323019770).

Almost surely, 2^10646039539 is an apocalyptic number.

10646039539 is a deficient number, since it is larger than the sum of its proper divisors (1).

10646039539 is an equidigital number, since it uses as much as digits as its factorization.

10646039539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 10646039539 in words is "ten billion, six hundred forty-six million, thirty-nine thousand, five hundred thirty-nine".