21319485159 has 8 divisors (see below), whose sum is σ = 32486834560. Its totient is φ = 12182562936.

The previous prime is 21319485119. The next prime is 21319485181. The reversal of 21319485159 is 95158491312.

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

It is not a de Polignac number, because 21319485159 - 2⁸ = 21319484903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21319485119) 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, 507606769 + ... + 507606810.

It is an arithmetic number, because the mean of its divisors is an integer number (4060854320).

Almost surely, 2^21319485159 is an apocalyptic number.

21319485159 is a deficient number, since it is larger than the sum of its proper divisors (11167349401).

21319485159 is a wasteful number, since it uses less digits than its factorization.

21319485159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015213589.

The product of its digits is 388800, while the sum is 48.

The spelling of 21319485159 in words is "twenty-one billion, three hundred nineteen million, four hundred eighty-five thousand, one hundred fifty-nine".