119388971549 has 2 divisors, whose sum is σ = 119388971550. Its totient is φ = 119388971548.

The previous prime is 119388971497. The next prime is 119388971593. The reversal of 119388971549 is 945179883911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75773572900 + 43615398649 = 275270^2 + 208843^2 .

It is an emirp because it is prime and its reverse (945179883911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119388971549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119388971599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59694485774 + 59694485775.

It is an arithmetic number, because the mean of its divisors is an integer number (59694485775).

Almost surely, 2^119388971549 is an apocalyptic number.

It is an amenable number.

119388971549 is a deficient number, since it is larger than the sum of its proper divisors (1).

119388971549 is an equidigital number, since it uses as much as digits as its factorization.

119388971549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 65.

The spelling of 119388971549 in words is "one hundred nineteen billion, three hundred eighty-eight million, nine hundred seventy-one thousand, five hundred forty-nine".