7266886643 has 2 divisors, whose sum is σ = 7266886644. Its totient is φ = 7266886642.

The previous prime is 7266886573. The next prime is 7266886663. The reversal of 7266886643 is 3466886627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7266886643 - 2⁸ = 7266886387 is a prime.

It is not a weakly prime, because it can be changed into another prime (7266886663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633443321 + 3633443322.

It is an arithmetic number, because the mean of its divisors is an integer number (3633443322).

Almost surely, 2^7266886643 is an apocalyptic number.

7266886643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266886643 is an equidigital number, since it uses as much as digits as its factorization.

7266886643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 56.

The square root of 7266886643 is about 85246.0359371625. The cubic root of 7266886643 is about 1936.9398243925.

The spelling of 7266886643 in words is "seven billion, two hundred sixty-six million, eight hundred eighty-six thousand, six hundred forty-three".