2053826621 has 24 divisors (see below), whose sum is σ = 2622062016. Its totient is φ = 1590731520.

The previous prime is 2053826591. The next prime is 2053826669. The reversal of 2053826621 is 1266283502.

It is not a de Polignac number, because 2053826621 - 2¹⁰ = 2053825597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053826921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78605 + ... + 101421.

It is an arithmetic number, because the mean of its divisors is an integer number (109252584).

Almost surely, 2^2053826621 is an apocalyptic number.

It is an amenable number.

2053826621 is a deficient number, since it is larger than the sum of its proper divisors (568235395).

2053826621 is a wasteful number, since it uses less digits than its factorization.

2053826621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23009 (or 23002 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2053826621 is about 45319.1639485991. The cubic root of 2053826621 is about 1271.1240221398.

The spelling of 2053826621 in words is "two billion, fifty-three million, eight hundred twenty-six thousand, six hundred twenty-one".