2566435153013 has 4 divisors (see below), whose sum is σ = 2654932916940. Its totient is φ = 2477937389088.

The previous prime is 2566435152943. The next prime is 2566435153031. The reversal of 2566435153013 is 3103515346652.

2566435153013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1445193474244 + 1121241678769 = 1202162^2 + 1058887^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566435153013 - 2¹⁶ = 2566435087477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566435158013) 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, 44248881920 + ... + 44248881977.

It is an arithmetic number, because the mean of its divisors is an integer number (663733229235).

Almost surely, 2^{2566435153013} is an apocalyptic number.

It is an amenable number.

2566435153013 is a deficient number, since it is larger than the sum of its proper divisors (88497763927).

2566435153013 is an equidigital number, since it uses as much as digits as its factorization.

2566435153013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88497763926.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 2566435153013 in words is "two trillion, five hundred sixty-six billion, four hundred thirty-five million, one hundred fifty-three thousand, thirteen".