7499482225891 has 2 divisors, whose sum is σ = 7499482225892. Its totient is φ = 7499482225890.

The previous prime is 7499482225883. The next prime is 7499482225897. The reversal of 7499482225891 is 1985222849947.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7499482225891 - 2³ = 7499482225883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7499482225891.

It is not a weakly prime, because it can be changed into another prime (7499482225897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3749741112945 + 3749741112946.

It is an arithmetic number, because the mean of its divisors is an integer number (3749741112946).

Almost surely, 2^{7499482225891} is an apocalyptic number.

7499482225891 is a deficient number, since it is larger than the sum of its proper divisors (1).

7499482225891 is an equidigital number, since it uses as much as digits as its factorization.

7499482225891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209018880, while the sum is 70.

The spelling of 7499482225891 in words is "seven trillion, four hundred ninety-nine billion, four hundred eighty-two million, two hundred twenty-five thousand, eight hundred ninety-one".