2101793500 has 24 divisors (see below), whose sum is σ = 4590318096. Its totient is φ = 840717200.

The previous prime is 2101793497. The next prime is 2101793501. The reversal of 2101793500 is 53971012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101793501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101294 + ... + 2102293.

It is an arithmetic number, because the mean of its divisors is an integer number (191263254).

Almost surely, 2^2101793500 is an apocalyptic number.

2101793500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101793500 is an abundant number, since it is smaller than the sum of its proper divisors (2488524596).

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

2101793500 is a wasteful number, since it uses less digits than its factorization.

2101793500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203606 (or 4203594 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 2101793500 is about 45845.3214625004. The cubic root of 2101793500 is about 1280.9436197822.

The spelling of 2101793500 in words is "two billion, one hundred one million, seven hundred ninety-three thousand, five hundred".