10989117193 has 2 divisors, whose sum is σ = 10989117194. Its totient is φ = 10989117192.

The previous prime is 10989117187. The next prime is 10989117239. The reversal of 10989117193 is 39171198901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10463653264 + 525463929 = 102292^2 + 22923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10989117193 is a prime.

It is not a weakly prime, because it can be changed into another prime (10989117143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494558596 + 5494558597.

It is an arithmetic number, because the mean of its divisors is an integer number (5494558597).

Almost surely, 2^10989117193 is an apocalyptic number.

It is an amenable number.

10989117193 is a deficient number, since it is larger than the sum of its proper divisors (1).

10989117193 is an equidigital number, since it uses as much as digits as its factorization.

10989117193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 49.

The spelling of 10989117193 in words is "ten billion, nine hundred eighty-nine million, one hundred seventeen thousand, one hundred ninety-three".