2564342434652 has 6 divisors (see below), whose sum is σ = 4487599260648. Its totient is φ = 1282171217324.

The previous prime is 2564342434583. The next prime is 2564342434673.

2564342434652 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2564342434652² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2564342434652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320542804328 + ... + 320542804335.

It is an arithmetic number, because the mean of its divisors is an integer number (747933210108).

Almost surely, 2^{2564342434652} is an apocalyptic number.

It is an amenable number.

2564342434652 is a deficient number, since it is larger than the sum of its proper divisors (1923256825996).

2564342434652 is a wasteful number, since it uses less digits than its factorization.

2564342434652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641085608667 (or 641085608665 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 50.

The spelling of 2564342434652 in words is "two trillion, five hundred sixty-four billion, three hundred forty-two million, four hundred thirty-four thousand, six hundred fifty-two".