7249584221266 has 4 divisors (see below), whose sum is σ = 10874376331902. Its totient is φ = 3624792110632.

The previous prime is 7249584221261. The next prime is 7249584221291. The reversal of 7249584221266 is 6621224859427.

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

It can be written as a sum of positive squares in only one way, i.e., 7236481985041 + 13102236225 = 2690071^2 + 114465^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7249584221266.

It is not an unprimeable number, because it can be changed into a prime (7249584221261) 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 as a sum of consecutive naturals, namely, 1812396055315 + ... + 1812396055318.

Almost surely, 2^{7249584221266} is an apocalyptic number.

7249584221266 is a deficient number, since it is larger than the sum of its proper divisors (3624792110636).

7249584221266 is a wasteful number, since it uses less digits than its factorization.

7249584221266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624792110635.

The product of its digits is 23224320, while the sum is 58.

The spelling of 7249584221266 in words is "seven trillion, two hundred forty-nine billion, five hundred eighty-four million, two hundred twenty-one thousand, two hundred sixty-six".