10949561099 has 2 divisors, whose sum is σ = 10949561100. Its totient is φ = 10949561098.

The previous prime is 10949561027. The next prime is 10949561113. The reversal of 10949561099 is 99016594901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10949561099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10949561099.

It is not a weakly prime, because it can be changed into another prime (10949561299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5474780549 + 5474780550.

It is an arithmetic number, because the mean of its divisors is an integer number (5474780550).

Almost surely, 2^10949561099 is an apocalyptic number.

10949561099 is a deficient number, since it is larger than the sum of its proper divisors (1).

10949561099 is an equidigital number, since it uses as much as digits as its factorization.

10949561099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 10949561099 in words is "ten billion, nine hundred forty-nine million, five hundred sixty-one thousand, ninety-nine".