2653563560646 has 16 divisors (see below), whose sum is σ = 5586449601600. Its totient is φ = 837967440168.

The previous prime is 2653563560639. The next prime is 2653563560657. The reversal of 2653563560646 is 6460653653562.

It is a happy number.

2653563560646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11638436556 + ... + 11638436783.

It is an arithmetic number, because the mean of its divisors is an integer number (349153100100).

Almost surely, 2^{2653563560646} is an apocalyptic number.

2653563560646 is an abundant number, since it is smaller than the sum of its proper divisors (2932886040954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2653563560646 is a wasteful number, since it uses less digits than its factorization.

2653563560646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276873363.

The product of its (nonzero) digits is 69984000, while the sum is 57.

The spelling of 2653563560646 in words is "two trillion, six hundred fifty-three billion, five hundred sixty-three million, five hundred sixty thousand, six hundred forty-six".