2205450540653 has 8 divisors (see below), whose sum is σ = 2266638006648. Its totient is φ = 2144346269184.

The previous prime is 2205450540599. The next prime is 2205450540659. The reversal of 2205450540653 is 3560450545022.

It can be written as a sum of positive squares in 4 ways, for example, as 1077304912489 + 1128145628164 = 1037933^2 + 1062142^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2205450540653 - 2¹² = 2205450536557 is a prime.

It is a super-2 number, since 2×2205450540653² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2205450540653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205450540659) 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, 20744876 + ... + 20850917.

It is an arithmetic number, because the mean of its divisors is an integer number (283329750831).

Almost surely, 2^{2205450540653} is an apocalyptic number.

It is an amenable number.

2205450540653 is a deficient number, since it is larger than the sum of its proper divisors (61187465995).

2205450540653 is a wasteful number, since it uses less digits than its factorization.

2205450540653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41597263.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 2205450540653 in words is "two trillion, two hundred five billion, four hundred fifty million, five hundred forty thousand, six hundred fifty-three".