2193806264 has 64 divisors (see below), whose sum is σ = 4592609280. Its totient is φ = 975600000.

The previous prime is 2193806261. The next prime is 2193806269. The reversal of 2193806264 is 4626083912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193806261) 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, 807869 + ... + 810579.

It is an arithmetic number, because the mean of its divisors is an integer number (71759520).

Almost surely, 2^2193806264 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 2193806264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296304640).

2193806264 is an abundant number, since it is smaller than the sum of its proper divisors (2398803016).

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

2193806264 is a wasteful number, since it uses less digits than its factorization.

2193806264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2193806264 is about 46838.0856141666. The cubic root of 2193806264 is about 1299.3697663100.

The spelling of 2193806264 in words is "two billion, one hundred ninety-three million, eight hundred six thousand, two hundred sixty-four".