1058968681 has 4 divisors (see below), whose sum is σ = 1068684100. Its totient is φ = 1049253264.

The previous prime is 1058968663. The next prime is 1058968717. The reversal of 1058968681 is 1868698501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 674181225 + 384787456 = 25965^2 + 19616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058968681 - 2²³ = 1050580073 is a prime.

It is a super-3 number, since 3×1058968681³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1058968661) 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 in 3 ways as a sum of consecutive naturals, for example, 4857546 + ... + 4857763.

It is an arithmetic number, because the mean of its divisors is an integer number (267171025).

Almost surely, 2^1058968681 is an apocalyptic number.

It is an amenable number.

1058968681 is a deficient number, since it is larger than the sum of its proper divisors (9715419).

1058968681 is an equidigital number, since it uses as much as digits as its factorization.

1058968681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715418.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 1058968681 is about 32541.7989822321. The cubic root of 1058968681 is about 1019.2820402549.

The spelling of 1058968681 in words is "one billion, fifty-eight million, nine hundred sixty-eight thousand, six hundred eighty-one".