159478892219 has 4 divisors (see below), whose sum is σ = 168860003544. Its totient is φ = 150097780896.

The previous prime is 159478892197. The next prime is 159478892257. The reversal of 159478892219 is 912298874951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912298874951 = 17 ⋅53664639703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159478892219 is a prime.

It is a super-2 number, since 2×159478892219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159478892269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4690555637 + ... + 4690555670.

It is an arithmetic number, because the mean of its divisors is an integer number (42215000886).

Almost surely, 2^159478892219 is an apocalyptic number.

159478892219 is a deficient number, since it is larger than the sum of its proper divisors (9381111325).

159478892219 is an equidigital number, since it uses as much as digits as its factorization.

159478892219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381111324.

The product of its digits is 26127360, while the sum is 65.

The spelling of 159478892219 in words is "one hundred fifty-nine billion, four hundred seventy-eight million, eight hundred ninety-two thousand, two hundred nineteen".