10993258909 has 2 divisors, whose sum is σ = 10993258910. Its totient is φ = 10993258908.

The previous prime is 10993258891. The next prime is 10993258931. The reversal of 10993258909 is 90985239901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10266147684 + 727111225 = 101322^2 + 26965^2 .

It is a cyclic number.

It is not a de Polignac number, because 10993258909 - 2¹¹ = 10993256861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10993258909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10993258979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496629454 + 5496629455.

It is an arithmetic number, because the mean of its divisors is an integer number (5496629455).

Almost surely, 2^10993258909 is an apocalyptic number.

It is an amenable number.

10993258909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10993258909 is an equidigital number, since it uses as much as digits as its factorization.

10993258909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 55.

The spelling of 10993258909 in words is "ten billion, nine hundred ninety-three million, two hundred fifty-eight thousand, nine hundred nine".