2052659693809 has 4 divisors (see below), whose sum is σ = 2052726087280. Its totient is φ = 2052593300340.

The previous prime is 2052659693797. The next prime is 2052659693831. The reversal of 2052659693809 is 9083969562502.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2052659693809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052659693869) 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, 33150339 + ... + 33212200.

It is an arithmetic number, because the mean of its divisors is an integer number (513181521820).

Almost surely, 2^{2052659693809} is an apocalyptic number.

It is an amenable number.

2052659693809 is a deficient number, since it is larger than the sum of its proper divisors (66393471).

2052659693809 is an equidigital number, since it uses as much as digits as its factorization.

2052659693809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66393470.

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 2052659693809 in words is "two trillion, fifty-two billion, six hundred fifty-nine million, six hundred ninety-three thousand, eight hundred nine".