7347332523721 has 2 divisors, whose sum is σ = 7347332523722. Its totient is φ = 7347332523720.

The previous prime is 7347332523697. The next prime is 7347332523731. The reversal of 7347332523721 is 1273252337437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7195672125625 + 151660398096 = 2682475^2 + 389436^2 .

It is a cyclic number.

It is not a de Polignac number, because 7347332523721 - 2⁵ = 7347332523689 is a prime.

It is not a weakly prime, because it can be changed into another prime (7347332523731) 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, 3673666261860 + 3673666261861.

It is an arithmetic number, because the mean of its divisors is an integer number (3673666261861).

Almost surely, 2^{7347332523721} is an apocalyptic number.

It is an amenable number.

7347332523721 is a deficient number, since it is larger than the sum of its proper divisors (1).

7347332523721 is an equidigital number, since it uses as much as digits as its factorization.

7347332523721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 49.

The spelling of 7347332523721 in words is "seven trillion, three hundred forty-seven billion, three hundred thirty-two million, five hundred twenty-three thousand, seven hundred twenty-one".