2163452500 has 120 divisors (see below), whose sum is σ = 5205283776. Its totient is φ = 780000000.

The previous prime is 2163452497. The next prime is 2163452513. The reversal of 2163452500 is 52543612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4152240 + ... + 4152760.

Almost surely, 2^2163452500 is an apocalyptic number.

2163452500 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 2163452500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602641888).

2163452500 is an abundant number, since it is smaller than the sum of its proper divisors (3041831276).

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

2163452500 is a wasteful number, since it uses less digits than its factorization.

2163452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2163452500 is about 46512.9283103096. The cubic root of 2163452500 is about 1293.3491683032.

The spelling of 2163452500 in words is "two billion, one hundred sixty-three million, four hundred fifty-two thousand, five hundred".