68531413586 has 8 divisors (see below), whose sum is σ = 102800155260. Its totient is φ = 34264695168.

The previous prime is 68531413541. The next prime is 68531413619.

68531413586 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 54030678025 + 14500735561 = 232445^2 + 120419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 418091 + ... + 558446.

Almost surely, 2^68531413586 is an apocalyptic number.

68531413586 is a deficient number, since it is larger than the sum of its proper divisors (34268741674).

68531413586 is a wasteful number, since it uses less digits than its factorization.

68531413586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011628.

The product of its digits is 2073600, while the sum is 50.

The spelling of 68531413586 in words is "sixty-eight billion, five hundred thirty-one million, four hundred thirteen thousand, five hundred eighty-six".