2133236073 has 16 divisors (see below), whose sum is σ = 2924017920. Its totient is φ = 1382380416.

The previous prime is 2133236069. The next prime is 2133236089. The reversal of 2133236073 is 3706323312.

It is a happy number.

It is not a de Polignac number, because 2133236073 - 2² = 2133236069 is a prime.

It is a super-2 number, since 2×2133236073² = 9101392286296922658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2133236073.

It is not an unprimeable number, because it can be changed into a prime (2133236023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113008 + ... + 130526.

It is an arithmetic number, because the mean of its divisors is an integer number (182751120).

Almost surely, 2^2133236073 is an apocalyptic number.

It is an amenable number.

2133236073 is a deficient number, since it is larger than the sum of its proper divisors (790781847).

2133236073 is a wasteful number, since it uses less digits than its factorization.

2133236073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18656.

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 2133236073 is about 46186.9686491764. The cubic root of 2133236073 is about 1287.2996158812.

Adding to 2133236073 its reverse (3706323312), we get a palindrome (5839559385).

The spelling of 2133236073 in words is "two billion, one hundred thirty-three million, two hundred thirty-six thousand, seventy-three".