2613226656646 has 4 divisors (see below), whose sum is σ = 3919839984972. Its totient is φ = 1306613328322.

The previous prime is 2613226656643. The next prime is 2613226656671. The reversal of 2613226656646 is 6466566223162.

It is a semiprime because it is the product of two primes.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653306664160 + ... + 653306664163.

It is an arithmetic number, because the mean of its divisors is an integer number (979959996243).

Almost surely, 2^{2613226656646} is an apocalyptic number.

2613226656646 is a deficient number, since it is larger than the sum of its proper divisors (1306613328326).

2613226656646 is a wasteful number, since it uses less digits than its factorization.

2613226656646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306613328325.

The product of its digits is 22394880, while the sum is 55.

The spelling of 2613226656646 in words is "two trillion, six hundred thirteen billion, two hundred twenty-six million, six hundred fifty-six thousand, six hundred forty-six".