2563436343652 has 12 divisors (see below), whose sum is σ = 4749896754540. Its totient is φ = 1206322985216.

The previous prime is 2563436343631. The next prime is 2563436343659.

2563436343652 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 1236664098916 + 1326772244736 = 1112054^2 + 1151856^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2563436343652.

It is not an unprimeable number, because it can be changed into a prime (2563436343659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18848796577 + ... + 18848796712.

It is an arithmetic number, because the mean of its divisors is an integer number (395824729545).

Almost surely, 2^{2563436343652} is an apocalyptic number.

It is an amenable number.

2563436343652 is a deficient number, since it is larger than the sum of its proper divisors (2186460410888).

2563436343652 is a wasteful number, since it uses less digits than its factorization.

2563436343652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37697593310 (or 37697593308 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 52.

The spelling of 2563436343652 in words is "two trillion, five hundred sixty-three billion, four hundred thirty-six million, three hundred forty-three thousand, six hundred fifty-two".