2611643226063 has 16 divisors (see below), whose sum is σ = 3633631301376. Its totient is φ = 1665377014400.

The previous prime is 2611643226047. The next prime is 2611643226067. The reversal of 2611643226063 is 3606223461162.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2611643226063 - 2⁴ = 2611643226047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611643226067) 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 in 15 ways as a sum of consecutive naturals, for example, 8656156 + ... + 8952782.

It is an arithmetic number, because the mean of its divisors is an integer number (227101956336).

Almost surely, 2^{2611643226063} is an apocalyptic number.

2611643226063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2611643226063 is a deficient number, since it is larger than the sum of its proper divisors (1021988075313).

2611643226063 is a wasteful number, since it uses less digits than its factorization.

2611643226063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424254.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 2611643226063 in words is "two trillion, six hundred eleven billion, six hundred forty-three million, two hundred twenty-six thousand, sixty-three".