159419473 has 2 divisors, whose sum is σ = 159419474. Its totient is φ = 159419472.

The previous prime is 159419471. The next prime is 159419483. The reversal of 159419473 is 374914951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121264144 + 38155329 = 11012^2 + 6177^2 .

It is a cyclic number.

It is not a de Polignac number, because 159419473 - 2¹ = 159419471 is a prime.

Together with 159419471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (159419471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79709736 + 79709737.

It is an arithmetic number, because the mean of its divisors is an integer number (79709737).

Almost surely, 2^159419473 is an apocalyptic number.

It is an amenable number.

159419473 is a deficient number, since it is larger than the sum of its proper divisors (1).

159419473 is an equidigital number, since it uses as much as digits as its factorization.

159419473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 159419473 is about 12626.1424433593. The cubic root of 159419473 is about 542.2261473275.

The spelling of 159419473 in words is "one hundred fifty-nine million, four hundred nineteen thousand, four hundred seventy-three".