11924989189 has 2 divisors, whose sum is σ = 11924989190. Its totient is φ = 11924989188.

The previous prime is 11924989169. The next prime is 11924989211. The reversal of 11924989189 is 98198942911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6141386689 + 5783602500 = 78367^2 + 76050^2 .

It is a cyclic number.

It is not a de Polignac number, because 11924989189 - 2⁵ = 11924989157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11924989169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962494594 + 5962494595.

It is an arithmetic number, because the mean of its divisors is an integer number (5962494595).

Almost surely, 2^11924989189 is an apocalyptic number.

It is an amenable number.

11924989189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11924989189 is an equidigital number, since it uses as much as digits as its factorization.

11924989189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 61.

The spelling of 11924989189 in words is "eleven billion, nine hundred twenty-four million, nine hundred eighty-nine thousand, one hundred eighty-nine".