2604260644653 has 16 divisors (see below), whose sum is σ = 3490593886080. Its totient is φ = 1727070354624.

The previous prime is 2604260644637. The next prime is 2604260644721. The reversal of 2604260644653 is 3564460624062.

It is not a de Polignac number, because 2604260644653 - 2⁴ = 2604260644637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604262644653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944001 + ... + 2997942.

It is an arithmetic number, because the mean of its divisors is an integer number (218162117880).

Almost surely, 2^{2604260644653} is an apocalyptic number.

It is an amenable number.

2604260644653 is a deficient number, since it is larger than the sum of its proper divisors (886333241427).

2604260644653 is a wasteful number, since it uses less digits than its factorization.

2604260644653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942868.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 2604260644653 in words is "two trillion, six hundred four billion, two hundred sixty million, six hundred forty-four thousand, six hundred fifty-three".