2564469031 has 2 divisors, whose sum is σ = 2564469032. Its totient is φ = 2564469030.

The previous prime is 2564469029. The next prime is 2564469041. The reversal of 2564469031 is 1309644652.

2564469031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2564469031 - 2¹ = 2564469029 is a prime.

It is a super-2 number, since 2×2564469031² = 13153002821916157922, which contains 22 as substring.

Together with 2564469029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564469041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282234515 + 1282234516.

It is an arithmetic number, because the mean of its divisors is an integer number (1282234516).

Almost surely, 2^2564469031 is an apocalyptic number.

2564469031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564469031 is an equidigital number, since it uses as much as digits as its factorization.

2564469031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2564469031 is about 50640.5867955734. The cubic root of 2564469031 is about 1368.7763295228.

The spelling of 2564469031 in words is "two billion, five hundred sixty-four million, four hundred sixty-nine thousand, thirty-one".