11895084389 has 2 divisors, whose sum is σ = 11895084390. Its totient is φ = 11895084388.

The previous prime is 11895084371. The next prime is 11895084403. The reversal of 11895084389 is 98348059811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10620951364 + 1274133025 = 103058^2 + 35695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11895084389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11895080389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947542194 + 5947542195.

It is an arithmetic number, because the mean of its divisors is an integer number (5947542195).

Almost surely, 2^11895084389 is an apocalyptic number.

It is an amenable number.

11895084389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11895084389 is an equidigital number, since it uses as much as digits as its factorization.

11895084389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 11895084389 in words is "eleven billion, eight hundred ninety-five million, eighty-four thousand, three hundred eighty-nine".