1641050889 has 8 divisors (see below), whose sum is σ = 2188558080. Its totient is φ = 1093788816.

The previous prime is 1641050863. The next prime is 1641050933. The reversal of 1641050889 is 9880501461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1641050889 - 2¹¹ = 1641048841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1641050889.

It is not an unprimeable number, because it can be changed into a prime (1641050809) 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 in 7 ways as a sum of consecutive naturals, for example, 45042 + ... + 72875.

It is an arithmetic number, because the mean of its divisors is an integer number (273569760).

Almost surely, 2^1641050889 is an apocalyptic number.

It is an amenable number.

1641050889 is a deficient number, since it is larger than the sum of its proper divisors (547507191).

1641050889 is a wasteful number, since it uses less digits than its factorization.

1641050889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122559.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1641050889 is about 40509.8863118622. The cubic root of 1641050889 is about 1179.5255415624.

The spelling of 1641050889 in words is "one billion, six hundred forty-one million, fifty thousand, eight hundred eighty-nine".