2664225545653 has 4 divisors (see below), whose sum is σ = 3044829195040. Its totient is φ = 2283621896268.

The previous prime is 2664225545651. The next prime is 2664225545659. The reversal of 2664225545653 is 3565455224662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2664225545653 - 2¹ = 2664225545651 is a prime.

It is a super-2 number, since 2×2664225545653² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2664225545594 and 2664225545603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664225545651) 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, 190301824683 + ... + 190301824696.

It is an arithmetic number, because the mean of its divisors is an integer number (761207298760).

Almost surely, 2^{2664225545653} is an apocalyptic number.

It is an amenable number.

2664225545653 is a deficient number, since it is larger than the sum of its proper divisors (380603649387).

2664225545653 is an equidigital number, since it uses as much as digits as its factorization.

2664225545653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380603649386.

The product of its digits is 51840000, while the sum is 55.

The spelling of 2664225545653 in words is "two trillion, six hundred sixty-four billion, two hundred twenty-five million, five hundred forty-five thousand, six hundred fifty-three".