19914381159 has 8 divisors (see below), whose sum is σ = 26569330560. Its totient is φ = 13267842936.

The previous prime is 19914381089. The next prime is 19914381161. The reversal of 19914381159 is 95118341991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19914381159 - 2⁷ = 19914381031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19914301159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097267 + ... + 2106740.

It is an arithmetic number, because the mean of its divisors is an integer number (3321166320).

Almost surely, 2^19914381159 is an apocalyptic number.

19914381159 is a deficient number, since it is larger than the sum of its proper divisors (6654949401).

19914381159 is a wasteful number, since it uses less digits than its factorization.

19914381159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205589.

The product of its digits is 349920, while the sum is 51.

The spelling of 19914381159 in words is "nineteen billion, nine hundred fourteen million, three hundred eighty-one thousand, one hundred fifty-nine".