159938473 has 2 divisors, whose sum is σ = 159938474. Its totient is φ = 159938472.

The previous prime is 159938459. The next prime is 159938477. The reversal of 159938473 is 374839951.

159938473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80514729 + 79423744 = 8973^2 + 8912^2 .

It is a cyclic number.

It is not a de Polignac number, because 159938473 - 2⁹ = 159937961 is a prime.

It is not a weakly prime, because it can be changed into another prime (159938477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79969236 + 79969237.

It is an arithmetic number, because the mean of its divisors is an integer number (79969237).

Almost surely, 2^159938473 is an apocalyptic number.

It is an amenable number.

159938473 is a deficient number, since it is larger than the sum of its proper divisors (1).

159938473 is an equidigital number, since it uses as much as digits as its factorization.

159938473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 159938473 is about 12646.6783385994. The cubic root of 159938473 is about 542.8139269086.

The spelling of 159938473 in words is "one hundred fifty-nine million, nine hundred thirty-eight thousand, four hundred seventy-three".