2193729632 has 48 divisors (see below), whose sum is σ = 4485906432. Its totient is φ = 1054892160.

The previous prime is 2193729617. The next prime is 2193729649. The reversal of 2193729632 is 2369273912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154913 + ... + 168479.

It is an arithmetic number, because the mean of its divisors is an integer number (93456384).

Almost surely, 2^2193729632 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 2193729632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2242953216).

2193729632 is an abundant number, since it is smaller than the sum of its proper divisors (2292176800).

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

2193729632 is a wasteful number, since it uses less digits than its factorization.

2193729632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771 (or 13763 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 2193729632 is about 46837.2675548008. The cubic root of 2193729632 is about 1299.3546366751.

The spelling of 2193729632 in words is "two billion, one hundred ninety-three million, seven hundred twenty-nine thousand, six hundred thirty-two".