2566428246652 has 12 divisors (see below), whose sum is σ = 4552773396976. Its totient is φ = 1265635847520.

The previous prime is 2566428246643. The next prime is 2566428246659.

2566428246652 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566428246659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394568624 + ... + 4394569207.

Almost surely, 2^{2566428246652} is an apocalyptic number.

It is an amenable number.

2566428246652 is a deficient number, since it is larger than the sum of its proper divisors (1986345150324).

2566428246652 is a wasteful number, since it uses less digits than its factorization.

2566428246652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8789137908 (or 8789137906 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 58.

The spelling of 2566428246652 in words is "two trillion, five hundred sixty-six billion, four hundred twenty-eight million, two hundred forty-six thousand, six hundred fifty-two".