2053729644 has 24 divisors (see below), whose sum is σ = 4799304048. Its totient is φ = 683538240.

The previous prime is 2053729637. The next prime is 2053729649. The reversal of 2053729644 is 4469273502.

It is a junction number, because it is equal to n+sod(n) for n = 2053729596 and 2053729605.

It is not an unprimeable number, because it can be changed into a prime (2053729649) 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, 121527 + ... + 137390.

It is an arithmetic number, because the mean of its divisors is an integer number (199971002).

Almost surely, 2^2053729644 is an apocalyptic number.

It is an amenable number.

2053729644 is an abundant number, since it is smaller than the sum of its proper divisors (2745574404).

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

2053729644 is a wasteful number, since it uses less digits than its factorization.

2053729644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259585 (or 259583 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2053729644 is about 45318.0940022857. The cubic root of 2053729644 is about 1271.1040153009.

The spelling of 2053729644 in words is "two billion, fifty-three million, seven hundred twenty-nine thousand, six hundred forty-four".