2564754147 has 24 divisors (see below), whose sum is σ = 3926785824. Its totient is φ = 1607526144.

The previous prime is 2564754133. The next prime is 2564754149. The reversal of 2564754147 is 7414574652.

2564754147 is a `hidden beast` number, since 2 + 5 + 64 + 7 + 541 + 47 = 666.

It is not a de Polignac number, because 2564754147 - 2¹² = 2564750051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564754149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141873 + ... + 158925.

It is an arithmetic number, because the mean of its divisors is an integer number (163616076).

Almost surely, 2^2564754147 is an apocalyptic number.

2564754147 is a deficient number, since it is larger than the sum of its proper divisors (1362031677).

2564754147 is a wasteful number, since it uses less digits than its factorization.

2564754147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18059 (or 18056 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 2564754147 is about 50643.4018110948. The cubic root of 2564754147 is about 1368.8270541972.

The spelling of 2564754147 in words is "two billion, five hundred sixty-four million, seven hundred fifty-four thousand, one hundred forty-seven".