2564342827 has 8 divisors (see below), whose sum is σ = 2669954112. Its totient is φ = 2460782400.

The previous prime is 2564342819. The next prime is 2564342857. The reversal of 2564342827 is 7282434652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2564342827 - 2³ = 2564342819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564342857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510163 + ... + 515164.

It is an arithmetic number, because the mean of its divisors is an integer number (333744264).

Almost surely, 2^2564342827 is an apocalyptic number.

2564342827 is a deficient number, since it is larger than the sum of its proper divisors (105611285).

2564342827 is a wasteful number, since it uses less digits than its factorization.

2564342827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025429.

The product of its digits is 645120, while the sum is 43.

The square root of 2564342827 is about 50639.3407046340. The cubic root of 2564342827 is about 1368.7538755073.

The spelling of 2564342827 in words is "two billion, five hundred sixty-four million, three hundred forty-two thousand, eight hundred twenty-seven".