2135383693 has 4 divisors (see below), whose sum is σ = 2135480220. Its totient is φ = 2135287168.

The previous prime is 2135383673. The next prime is 2135383697. The reversal of 2135383693 is 3963835312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 568965609 + 1566418084 = 23853^2 + 39578^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135383693 - 2¹⁷ = 2135252621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135383697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3243 + ... + 65431.

It is an arithmetic number, because the mean of its divisors is an integer number (533870055).

Almost surely, 2^2135383693 is an apocalyptic number.

It is an amenable number.

2135383693 is a deficient number, since it is larger than the sum of its proper divisors (96527).

2135383693 is an equidigital number, since it uses as much as digits as its factorization.

2135383693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96526.

The product of its digits is 349920, while the sum is 43.

The square root of 2135383693 is about 46210.2119990809. The cubic root of 2135383693 is about 1287.7314641886.

The spelling of 2135383693 in words is "two billion, one hundred thirty-five million, three hundred eighty-three thousand, six hundred ninety-three".