7297324681081 has 2 divisors, whose sum is σ = 7297324681082. Its totient is φ = 7297324681080.

The previous prime is 7297324681069. The next prime is 7297324681139. The reversal of 7297324681081 is 1801864237927.

It is an a-pointer prime, because the next prime (7297324681139) can be obtained adding 7297324681081 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7293731877481 + 3592803600 = 2700691^2 + 59940^2 .

It is a cyclic number.

It is not a de Polignac number, because 7297324681081 - 2²⁵ = 7297291126649 is a prime.

It is a super-2 number, since 2×7297324681081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7297324681481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3648662340540 + 3648662340541.

It is an arithmetic number, because the mean of its divisors is an integer number (3648662340541).

Almost surely, 2^{7297324681081} is an apocalyptic number.

It is an amenable number.

7297324681081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7297324681081 is an equidigital number, since it uses as much as digits as its factorization.

7297324681081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 7297324681081 in words is "seven trillion, two hundred ninety-seven billion, three hundred twenty-four million, six hundred eighty-one thousand, eighty-one".