159414381491 has 2 divisors, whose sum is σ = 159414381492. Its totient is φ = 159414381490.

The previous prime is 159414381481. The next prime is 159414381551. The reversal of 159414381491 is 194183414951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159414381491 - 2¹⁰ = 159414380467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (159414381481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79707190745 + 79707190746.

It is an arithmetic number, because the mean of its divisors is an integer number (79707190746).

Almost surely, 2^159414381491 is an apocalyptic number.

159414381491 is a deficient number, since it is larger than the sum of its proper divisors (1).

159414381491 is an equidigital number, since it uses as much as digits as its factorization.

159414381491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The spelling of 159414381491 in words is "one hundred fifty-nine billion, four hundred fourteen million, three hundred eighty-one thousand, four hundred ninety-one".