7104423447581 has 2 divisors, whose sum is σ = 7104423447582. Its totient is φ = 7104423447580.

The previous prime is 7104423447521. The next prime is 7104423447619. The reversal of 7104423447581 is 1857443244017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5812120575556 + 1292302872025 = 2410834^2 + 1136795^2 .

It is a cyclic number.

It is not a de Polignac number, because 7104423447581 - 2²² = 7104419253277 is a prime.

It is a super-2 number, since 2×7104423447581² (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 (7104423447521) 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, 3552211723790 + 3552211723791.

It is an arithmetic number, because the mean of its divisors is an integer number (3552211723791).

Almost surely, 2^{7104423447581} is an apocalyptic number.

It is an amenable number.

7104423447581 is a deficient number, since it is larger than the sum of its proper divisors (1).

7104423447581 is an equidigital number, since it uses as much as digits as its factorization.

7104423447581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 7104423447581 in words is "seven trillion, one hundred four billion, four hundred twenty-three million, four hundred forty-seven thousand, five hundred eighty-one".