758013240681 has 12 divisors (see below), whose sum is σ = 1094917003908. Its totient is φ = 505338011424.

The previous prime is 758013240671. The next prime is 758013240689. The reversal of 758013240681 is 186042310857.

758013240681 is a `hidden beast` number, since 7 + 580 + 1 + 3 + 2 + 4 + 0 + 68 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 539550480681 + 218462760000 = 734541^2 + 467400^2 .

It is not a de Polignac number, because 758013240681 - 2⁷ = 758013240553 is a prime.

It is a super-2 number, since 2×758013240681² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (758013240689) 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 in 11 ways as a sum of consecutive naturals, for example, 1153471 + ... + 1687163.

It is an arithmetic number, because the mean of its divisors is an integer number (91243083659).

Almost surely, 2^758013240681 is an apocalyptic number.

It is an amenable number.

758013240681 is a deficient number, since it is larger than the sum of its proper divisors (336903763227).

758013240681 is a wasteful number, since it uses less digits than its factorization.

758013240681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691512 (or 691509 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 758013240681 in words is "seven hundred fifty-eight billion, thirteen million, two hundred forty thousand, six hundred eighty-one".