2183734520 has 64 divisors (see below), whose sum is σ = 5402419200. Its totient is φ = 787812480.

The previous prime is 2183734493. The next prime is 2183734523. The reversal of 2183734520 is 254373812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183734523) 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, 36341 + ... + 75419.

It is an arithmetic number, because the mean of its divisors is an integer number (84412800).

Almost surely, 2^2183734520 is an apocalyptic number.

2183734520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2183734520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2701209600).

2183734520 is an abundant number, since it is smaller than the sum of its proper divisors (3218684680).

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

2183734520 is a wasteful number, since it uses less digits than its factorization.

2183734520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39228 (or 39224 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2183734520 is about 46730.4453220810. The cubic root of 2183734520 is about 1297.3782507101.

The spelling of 2183734520 in words is "two billion, one hundred eighty-three million, seven hundred thirty-four thousand, five hundred twenty".