2685653724 has 144 divisors (see below), whose sum is σ = 7207130112. Its totient is φ = 773587584.

The previous prime is 2685653723. The next prime is 2685653741. The reversal of 2685653724 is 4273565862.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685653723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5800317 + ... + 5800779.

Almost surely, 2^2685653724 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 2685653724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603565056).

2685653724 is an abundant number, since it is smaller than the sum of its proper divisors (4521476388).

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

2685653724 is a wasteful number, since it uses less digits than its factorization.

2685653724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 603 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The square root of 2685653724 is about 51823.2932569901. The cubic root of 2685653724 is about 1390.0059906924.

The spelling of 2685653724 in words is "two billion, six hundred eighty-five million, six hundred fifty-three thousand, seven hundred twenty-four".