2052784689 has 4 divisors (see below), whose sum is σ = 2737046256. Its totient is φ = 1368523124.

The previous prime is 2052784667. The next prime is 2052784717. The reversal of 2052784689 is 9864872502.

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 2052784689 - 2¹² = 2052780593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2052784619) 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, 342130779 + ... + 342130784.

It is an arithmetic number, because the mean of its divisors is an integer number (684261564).

Almost surely, 2^2052784689 is an apocalyptic number.

It is an amenable number.

2052784689 is a deficient number, since it is larger than the sum of its proper divisors (684261567).

2052784689 is an equidigital number, since it uses as much as digits as its factorization.

2052784689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684261566.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2052784689 is about 45307.6670001888. The cubic root of 2052784689 is about 1270.9090333947.

The spelling of 2052784689 in words is "two billion, fifty-two million, seven hundred eighty-four thousand, six hundred eighty-nine".