2133838853605 has 24 divisors (see below), whose sum is σ = 2720666419200. Its totient is φ = 1606315127040.

The previous prime is 2133838853603. The next prime is 2133838853611. The reversal of 2133838853605 is 5063588383312.

It is a happy number.

It is not a de Polignac number, because 2133838853605 - 2¹ = 2133838853603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133838853603) 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, 6780700 + ... + 7088410.

It is an arithmetic number, because the mean of its divisors is an integer number (113361100800).

Almost surely, 2^{2133838853605} is an apocalyptic number.

It is an amenable number.

2133838853605 is a deficient number, since it is larger than the sum of its proper divisors (586827565595).

2133838853605 is a wasteful number, since it uses less digits than its factorization.

2133838853605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312549 (or 312532 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 2133838853605 in words is "two trillion, one hundred thirty-three billion, eight hundred thirty-eight million, eight hundred fifty-three thousand, six hundred five".