7327368224581 has 2 divisors, whose sum is σ = 7327368224582. Its totient is φ = 7327368224580.

The previous prime is 7327368224521. The next prime is 7327368224621. The reversal of 7327368224581 is 1854228637237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6429723776100 + 897644448481 = 2535690^2 + 947441^2 .

It is a cyclic number.

It is not a de Polignac number, because 7327368224581 - 2²³ = 7327359835973 is a prime.

It is a super-2 number, since 2×7327368224581² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7327368224521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3663684112290 + 3663684112291.

It is an arithmetic number, because the mean of its divisors is an integer number (3663684112291).

Almost surely, 2^{7327368224581} is an apocalyptic number.

It is an amenable number.

7327368224581 is a deficient number, since it is larger than the sum of its proper divisors (1).

7327368224581 is an equidigital number, since it uses as much as digits as its factorization.

7327368224581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 58.

The spelling of 7327368224581 in words is "seven trillion, three hundred twenty-seven billion, three hundred sixty-eight million, two hundred twenty-four thousand, five hundred eighty-one".