2613226656647 has 16 divisors (see below), whose sum is σ = 2752810030080. Its totient is φ = 2475822821472.

The previous prime is 2613226656643. The next prime is 2613226656671. The reversal of 2613226656647 is 7466566223162.

It is a cyclic number.

It is not a de Polignac number, because 2613226656647 - 2² = 2613226656643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2613226656592 and 2613226656601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613226656641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7159928 + ... + 7516050.

It is an arithmetic number, because the mean of its divisors is an integer number (172050626880).

Almost surely, 2^{2613226656647} is an apocalyptic number.

2613226656647 is a deficient number, since it is larger than the sum of its proper divisors (139583373433).

2613226656647 is a wasteful number, since it uses less digits than its factorization.

2613226656647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359182.

The product of its digits is 26127360, while the sum is 56.

The spelling of 2613226656647 in words is "two trillion, six hundred thirteen billion, two hundred twenty-six million, six hundred fifty-six thousand, six hundred forty-seven".