1889325464 has 64 divisors (see below), whose sum is σ = 4085121600. Its totient is φ = 811413504.

The previous prime is 1889325463. The next prime is 1889325467. The reversal of 1889325464 is 4645239881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889325463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151349 + ... + 163355.

It is an arithmetic number, because the mean of its divisors is an integer number (63830025).

Almost surely, 2^1889325464 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 1889325464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042560800).

1889325464 is an abundant number, since it is smaller than the sum of its proper divisors (2195796136).

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

1889325464 is a wasteful number, since it uses less digits than its factorization.

1889325464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132 (or 12128 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 1889325464 is about 43466.3716452156. The cubic root of 1889325464 is about 1236.2384848586.

The spelling of 1889325464 in words is "one billion, eight hundred eighty-nine million, three hundred twenty-five thousand, four hundred sixty-four".