2573801689 has 2 divisors, whose sum is σ = 2573801690. Its totient is φ = 2573801688.

The previous prime is 2573801687. The next prime is 2573801743. The reversal of 2573801689 is 9861083752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2572214089 + 1587600 = 50717^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573801689 - 2¹ = 2573801687 is a prime.

Together with 2573801687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2573801687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286900844 + 1286900845.

It is an arithmetic number, because the mean of its divisors is an integer number (1286900845).

Almost surely, 2^2573801689 is an apocalyptic number.

It is an amenable number.

2573801689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573801689 is an equidigital number, since it uses as much as digits as its factorization.

2573801689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 2573801689 is about 50732.6491423423. The cubic root of 2573801689 is about 1370.4347438363.

The spelling of 2573801689 in words is "two billion, five hundred seventy-three million, eight hundred one thousand, six hundred eighty-nine".