7327368224521 has 2 divisors, whose sum is σ = 7327368224522. Its totient is φ = 7327368224520.

The previous prime is 7327368224441. The next prime is 7327368224581. The reversal of 7327368224521 is 1254228637237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4357739750400 + 2969628474121 = 2087520^2 + 1723261^2 .

It is a cyclic number.

It is not a de Polignac number, because 7327368224521 - 2¹⁷ = 7327368093449 is a prime.

It is not a weakly prime, because it can be changed into another prime (7327368224581) 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, 3663684112260 + 3663684112261.

It is an arithmetic number, because the mean of its divisors is an integer number (3663684112261).

Almost surely, 2^{7327368224521} is an apocalyptic number.

It is an amenable number.

7327368224521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7327368224521 is an equidigital number, since it uses as much as digits as its factorization.

7327368224521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 52.

The spelling of 7327368224521 in words is "seven trillion, three hundred twenty-seven billion, three hundred sixty-eight million, two hundred twenty-four thousand, five hundred twenty-one".