7013658881 has 2 divisors, whose sum is σ = 7013658882. Its totient is φ = 7013658880.

The previous prime is 7013658853. The next prime is 7013658929. The reversal of 7013658881 is 1888563107.

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., 6986452225 + 27206656 = 83585^2 + 5216^2 .

It is an emirp because it is prime and its reverse (1888563107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7013658881 - 2¹⁴ = 7013642497 is a prime.

It is a super-2 number, since 2×7013658881² = 98382821798060344322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7013658781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3506829440 + 3506829441.

It is an arithmetic number, because the mean of its divisors is an integer number (3506829441).

Almost surely, 2^7013658881 is an apocalyptic number.

It is an amenable number.

7013658881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7013658881 is an equidigital number, since it uses as much as digits as its factorization.

7013658881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 7013658881 is about 83747.5902996618. The cubic root of 7013658881 is about 1914.1745886396.

The spelling of 7013658881 in words is "seven billion, thirteen million, six hundred fifty-eight thousand, eight hundred eighty-one".