2566426569652 has 24 divisors (see below), whose sum is σ = 4958572262112. Its totient is φ = 1152502620000.

The previous prime is 2566426569589. The next prime is 2566426569653. The reversal of 2566426569652 is 2569656246652.

It is a super-2 number, since 2×2566426569652² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566426569653) 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, 351369099 + ... + 351376402.

It is an arithmetic number, because the mean of its divisors is an integer number (206607177588).

Almost surely, 2^{2566426569652} is an apocalyptic number.

2566426569652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2566426569652 is a deficient number, since it is larger than the sum of its proper divisors (2392145692460).

2566426569652 is a wasteful number, since it uses less digits than its factorization.

2566426569652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702745599 (or 702745597 counting only the distinct ones).

The product of its digits is 279936000, while the sum is 64.

The spelling of 2566426569652 in words is "two trillion, five hundred sixty-six billion, four hundred twenty-six million, five hundred sixty-nine thousand, six hundred fifty-two".