1839141668 has 72 divisors (see below), whose sum is σ = 4208188992. Its totient is φ = 684734976.

The previous prime is 1839141659. The next prime is 1839141673. The reversal of 1839141668 is 8661419381.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96455 + ... + 113937.

Almost surely, 2^1839141668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1839141668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2104094496).

1839141668 is an abundant number, since it is smaller than the sum of its proper divisors (2369047324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1839141668 is a wasteful number, since it uses less digits than its factorization.

1839141668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17541 (or 17522 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 1839141668 is about 42885.2150280257. The cubic root of 1839141668 is about 1225.1945642370.

The spelling of 1839141668 in words is "one billion, eight hundred thirty-nine million, one hundred forty-one thousand, six hundred sixty-eight".