2135054653 has 4 divisors (see below), whose sum is σ = 2171242080. Its totient is φ = 2098867228.

The previous prime is 2135054651. The next prime is 2135054659. The reversal of 2135054653 is 3564505312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2135054653 - 2¹ = 2135054651 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 (2135054651) 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, 18093625 + ... + 18093742.

It is an arithmetic number, because the mean of its divisors is an integer number (542810520).

Almost surely, 2^2135054653 is an apocalyptic number.

It is an amenable number.

2135054653 is a deficient number, since it is larger than the sum of its proper divisors (36187427).

2135054653 is an equidigital number, since it uses as much as digits as its factorization.

2135054653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36187426.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2135054653 is about 46206.6516099143. The cubic root of 2135054653 is about 1287.6653188665.

Adding to 2135054653 its reverse (3564505312), we get a palindrome (5699559965).

The spelling of 2135054653 in words is "two billion, one hundred thirty-five million, fifty-four thousand, six hundred fifty-three".