159383794441 has 9 divisors (see below), whose sum is σ = 160852281109. Its totient is φ = 157928604736.

The previous prime is 159383794411. The next prime is 159383794463. The reversal of 159383794441 is 144497383951.

It is a happy number.

The square root of 159383794441 is 399229.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14633982841 + 144749811600 = 120971^2 + 380460^2 .

It is not a de Polignac number, because 159383794441 - 2²¹ = 159381697289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159383794411) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45111111 + ... + 45114643.

Almost surely, 2^159383794441 is an apocalyptic number.

159383794441 is the 399229-th square number.

159383794441 is the 199615-th centered octagonal number.

It is an amenable number.

159383794441 is a deficient number, since it is larger than the sum of its proper divisors (1468486668).

159383794441 is an frugal number, since it uses more digits than its factorization.

159383794441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292 (or 3646 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The spelling of 159383794441 in words is "one hundred fifty-nine billion, three hundred eighty-three million, seven hundred ninety-four thousand, four hundred forty-one".