2564687334 has 16 divisors (see below), whose sum is σ = 5595681600. Its totient is φ = 777177960.

The previous prime is 2564687327. The next prime is 2564687339. The reversal of 2564687334 is 4337864652.

2564687334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2564687334² = 13155242242360055112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564687339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19429384 + ... + 19429515.

It is an arithmetic number, because the mean of its divisors is an integer number (349730100).

Almost surely, 2^2564687334 is an apocalyptic number.

2564687334 is an abundant number, since it is smaller than the sum of its proper divisors (3030994266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564687334 is a wasteful number, since it uses less digits than its factorization.

2564687334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38858915.

The product of its digits is 2903040, while the sum is 48.

The square root of 2564687334 is about 50642.7421650921. The cubic root of 2564687334 is about 1368.8151679070.

The spelling of 2564687334 in words is "two billion, five hundred sixty-four million, six hundred eighty-seven thousand, three hundred thirty-four".