2889171146 has 4 divisors (see below), whose sum is σ = 4333756722. Its totient is φ = 1444585572.

The previous prime is 2889171143. The next prime is 2889171157. The reversal of 2889171146 is 6411719882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2184534121 + 704637025 = 46739^2 + 26545^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2889171146.

It is not an unprimeable number, because it can be changed into a prime (2889171143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722292785 + ... + 722292788.

Almost surely, 2^2889171146 is an apocalyptic number.

2889171146 is a deficient number, since it is larger than the sum of its proper divisors (1444585576).

2889171146 is a wasteful number, since it uses less digits than its factorization.

2889171146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444585575.

The product of its digits is 193536, while the sum is 47.

The square root of 2889171146 is about 53751.0106509636. The cubic root of 2889171146 is about 1424.2659432206.

The spelling of 2889171146 in words is "two billion, eight hundred eighty-nine million, one hundred seventy-one thousand, one hundred forty-six".