2586434449 has 3 divisors (see below), whose sum is σ = 2586485307. Its totient is φ = 2586383592.

The previous prime is 2586434443. The next prime is 2586434467. The reversal of 2586434449 is 9444346852.

The square root of 2586434449 is 50857.

It is a perfect power (a square), and thus also a powerful number.

2586434449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 123099025 + 2463335424 = 11095^2 + 49632^2 .

It is not a de Polignac number, because 2586434449 - 2³¹ = 438950801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2586434443) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25429 + ... + 76285.

It is an arithmetic number, because the mean of its divisors is an integer number (862161769).

Almost surely, 2^2586434449 is an apocalyptic number.

2586434449 is the 50857-th square number.

2586434449 is the 25429-th centered octagonal number.

It is an amenable number.

2586434449 is a deficient number, since it is larger than the sum of its proper divisors (50858).

2586434449 is an frugal number, since it uses more digits than its factorization.

2586434449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101714 (or 50857 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

The cubic root of 2586434449 is about 1372.6732128442.

Multiplying 2586434449 by its sum of digits (49), we get a square (126735288001 = 355999²).

The spelling of 2586434449 in words is "two billion, five hundred eighty-six million, four hundred thirty-four thousand, four hundred forty-nine".