159381986399 has 2 divisors, whose sum is σ = 159381986400. Its totient is φ = 159381986398.

The previous prime is 159381986383. The next prime is 159381986411. The reversal of 159381986399 is 993689183951.

It is a strong prime.

It is an emirp because it is prime and its reverse (993689183951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159381986399 - 2⁴ = 159381986383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159381980399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79690993199 + 79690993200.

It is an arithmetic number, because the mean of its divisors is an integer number (79690993200).

Almost surely, 2^159381986399 is an apocalyptic number.

159381986399 is a deficient number, since it is larger than the sum of its proper divisors (1).

159381986399 is an equidigital number, since it uses as much as digits as its factorization.

159381986399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113374080, while the sum is 71.

The spelling of 159381986399 in words is "one hundred fifty-nine billion, three hundred eighty-one million, nine hundred eighty-six thousand, three hundred ninety-nine".