2564723063 has 6 divisors (see below), whose sum is σ = 2983453416. Its totient is φ = 2198334012.

The previous prime is 2564723047. The next prime is 2564723069. The reversal of 2564723063 is 3603274652.

It is a happy number.

It is not a de Polignac number, because 2564723063 - 2⁴ = 2564723047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564723069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26170595 + ... + 26170692.

It is an arithmetic number, because the mean of its divisors is an integer number (497242236).

Almost surely, 2^2564723063 is an apocalyptic number.

2564723063 is a deficient number, since it is larger than the sum of its proper divisors (418730353).

2564723063 is an equidigital number, since it uses as much as digits as its factorization.

2564723063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52341301 (or 52341294 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 2564723063 is about 50643.0949192484. The cubic root of 2564723063 is about 1368.8215242595.

The spelling of 2564723063 in words is "two billion, five hundred sixty-four million, seven hundred twenty-three thousand, sixty-three".