2073209653 has 4 divisors (see below), whose sum is σ = 2195163180. Its totient is φ = 1951256128.

The previous prime is 2073209651. The next prime is 2073209669. The reversal of 2073209653 is 3569023702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1424081169 + 649128484 = 37737^2 + 25478^2 .

It is a cyclic number.

It is not a de Polignac number, because 2073209653 - 2¹ = 2073209651 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 (2073209651) 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, 60976738 + ... + 60976771.

It is an arithmetic number, because the mean of its divisors is an integer number (548790795).

Almost surely, 2^2073209653 is an apocalyptic number.

It is an amenable number.

2073209653 is a deficient number, since it is larger than the sum of its proper divisors (121953527).

2073209653 is a wasteful number, since it uses less digits than its factorization.

2073209653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121953526.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 2073209653 is about 45532.5120435936. The cubic root of 2073209653 is about 1275.1102614883.

The spelling of 2073209653 in words is "two billion, seventy-three million, two hundred nine thousand, six hundred fifty-three".