2564869192147 has 2 divisors, whose sum is σ = 2564869192148. Its totient is φ = 2564869192146.

The previous prime is 2564869192139. The next prime is 2564869192243. The reversal of 2564869192147 is 7412919684652.

2564869192147 is digitally balanced in base 3, 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 2564869192147 - 2³ = 2564869192139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2564869192247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282434596073 + 1282434596074.

It is an arithmetic number, because the mean of its divisors is an integer number (1282434596074).

Almost surely, 2^{2564869192147} is an apocalyptic number.

2564869192147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564869192147 is an equidigital number, since it uses as much as digits as its factorization.

2564869192147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 64.

The spelling of 2564869192147 in words is "two trillion, five hundred sixty-four billion, eight hundred sixty-nine million, one hundred ninety-two thousand, one hundred forty-seven".