2564731234 has 16 divisors (see below), whose sum is σ = 4143984768. Its totient is φ = 1183448592.

The previous prime is 2564731217. The next prime is 2564731241. The reversal of 2564731234 is 4321374652.

2564731234 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-3 number, since 3×2564731234³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2564731193 and 2564731202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142489 + ... + 159475.

It is an arithmetic number, because the mean of its divisors is an integer number (258999048).

Almost surely, 2^2564731234 is an apocalyptic number.

2564731234 is a deficient number, since it is larger than the sum of its proper divisors (1579253534).

2564731234 is a wasteful number, since it uses less digits than its factorization.

2564731234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22809.

The product of its digits is 120960, while the sum is 37.

The square root of 2564731234 is about 50643.1755915839. The cubic root of 2564731234 is about 1368.8229779094.

The spelling of 2564731234 in words is "two billion, five hundred sixty-four million, seven hundred thirty-one thousand, two hundred thirty-four".