7381069073281 has 2 divisors, whose sum is σ = 7381069073282. Its totient is φ = 7381069073280.

The previous prime is 7381069073263. The next prime is 7381069073303. The reversal of 7381069073281 is 1823709601837.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5328669008881 + 2052400064400 = 2308391^2 + 1432620^2 .

It is a cyclic number.

It is not a de Polignac number, because 7381069073281 - 2³⁷ = 7243630119809 is a prime.

It is a super-2 number, since 2×7381069073281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7381069073221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3690534536640 + 3690534536641.

It is an arithmetic number, because the mean of its divisors is an integer number (3690534536641).

Almost surely, 2^{7381069073281} is an apocalyptic number.

It is an amenable number.

7381069073281 is a deficient number, since it is larger than the sum of its proper divisors (1).

7381069073281 is an equidigital number, since it uses as much as digits as its factorization.

7381069073281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 7381069073281 in words is "seven trillion, three hundred eighty-one billion, sixty-nine million, seventy-three thousand, two hundred eighty-one".