2565466645652 has 48 divisors (see below), whose sum is σ = 4604639477760. Its totient is φ = 1250090940000.

The previous prime is 2565466645649. The next prime is 2565466645711.

It is a happy number.

2565466645652 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 275526077 + ... + 275535387.

It is an arithmetic number, because the mean of its divisors is an integer number (95929989120).

Almost surely, 2^{2565466645652} is an apocalyptic number.

It is an amenable number.

2565466645652 is a deficient number, since it is larger than the sum of its proper divisors (2039172832108).

2565466645652 is a wasteful number, since it uses less digits than its factorization.

2565466645652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452 (or 15450 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 62.

The spelling of 2565466645652 in words is "two trillion, five hundred sixty-five billion, four hundred sixty-six million, six hundred forty-five thousand, six hundred fifty-two".