2620020522653 has 2 divisors, whose sum is σ = 2620020522654. Its totient is φ = 2620020522652.

The previous prime is 2620020522617. The next prime is 2620020522673. The reversal of 2620020522653 is 3562250200262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2444729254969 + 175291267684 = 1563563^2 + 418678^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620020522653 - 2²⁰ = 2620019474077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620020522673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310010261326 + 1310010261327.

It is an arithmetic number, because the mean of its divisors is an integer number (1310010261327).

Almost surely, 2^{2620020522653} is an apocalyptic number.

It is an amenable number.

2620020522653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620020522653 is an equidigital number, since it uses as much as digits as its factorization.

2620020522653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 2620020522653 in words is "two trillion, six hundred twenty billion, twenty million, five hundred twenty-two thousand, six hundred fifty-three".