2564469286 has 4 divisors (see below), whose sum is σ = 3846703932. Its totient is φ = 1282234642.

The previous prime is 2564469277. The next prime is 2564469301. The reversal of 2564469286 is 6829644652.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641117320 + ... + 641117323.

It is an arithmetic number, because the mean of its divisors is an integer number (961675983).

Almost surely, 2^2564469286 is an apocalyptic number.

2564469286 is a deficient number, since it is larger than the sum of its proper divisors (1282234646).

2564469286 is a wasteful number, since it uses less digits than its factorization.

2564469286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282234645.

The product of its digits is 4976640, while the sum is 52.

The square root of 2564469286 is about 50640.5893133166. The cubic root of 2564469286 is about 1368.7763748912.

The spelling of 2564469286 in words is "two billion, five hundred sixty-four million, four hundred sixty-nine thousand, two hundred eighty-six".