7293248881 has 2 divisors, whose sum is σ = 7293248882. Its totient is φ = 7293248880.

The previous prime is 7293248869. The next prime is 7293248899. The reversal of 7293248881 is 1888423927.

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., 6334727281 + 958521600 = 79591^2 + 30960^2 .

It is a cyclic number.

It is not a de Polignac number, because 7293248881 - 2⁵ = 7293248849 is a prime.

It is a super-2 number, since 2×7293248881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7293248861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3646624440 + 3646624441.

It is an arithmetic number, because the mean of its divisors is an integer number (3646624441).

Almost surely, 2^7293248881 is an apocalyptic number.

It is an amenable number.

7293248881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7293248881 is an equidigital number, since it uses as much as digits as its factorization.

7293248881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 52.

The square root of 7293248881 is about 85400.5203789766. The cubic root of 7293248881 is about 1939.2792235959.

The spelling of 7293248881 in words is "seven billion, two hundred ninety-three million, two hundred forty-eight thousand, eight hundred eighty-one".