2053121334 has 64 divisors (see below), whose sum is σ = 4592408832. Its totient is φ = 606672000.

The previous prime is 2053121333. The next prime is 2053121341. The reversal of 2053121334 is 4331213502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053121333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444324 + ... + 448920.

It is an arithmetic number, because the mean of its divisors is an integer number (71756388).

Almost surely, 2^2053121334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2053121334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296204416).

2053121334 is an abundant number, since it is smaller than the sum of its proper divisors (2539287498).

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

2053121334 is a wasteful number, since it uses less digits than its factorization.

2053121334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2053121334 is about 45311.3819475858. The cubic root of 2053121334 is about 1270.9785035455.

Adding to 2053121334 its reverse (4331213502), we get a palindrome (6384334836).

The spelling of 2053121334 in words is "two billion, fifty-three million, one hundred twenty-one thousand, three hundred thirty-four".