1889067068 has 24 divisors (see below), whose sum is σ = 3780575232. Its totient is φ = 809077104.

The previous prime is 1889067067. The next prime is 1889067083. The reversal of 1889067068 is 8607609881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889067067) 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, 24005 + ... + 65987.

It is an arithmetic number, because the mean of its divisors is an integer number (157523968).

Almost surely, 2^1889067068 is an apocalyptic number.

It is an amenable number.

1889067068 is an abundant number, since it is smaller than the sum of its proper divisors (1891508164).

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

1889067068 is a wasteful number, since it uses less digits than its factorization.

1889067068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43601 (or 43599 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 1889067068 is about 43463.3991767786. The cubic root of 1889067068 is about 1236.1821237129.

It can be divided in two parts, 18890 and 67068, that added together give a palindrome (85958).

The spelling of 1889067068 in words is "one billion, eight hundred eighty-nine million, sixty-seven thousand, sixty-eight".