68973311337985 has 32 divisors (see below), whose sum is σ = 83599399653120. Its totient is φ = 54627703603200.

The previous prime is 68973311337937. The next prime is 68973311338027. The reversal of 68973311337985 is 58973311337986.

It is a happy number.

68973311337985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68973311337985 - 2²¹ = 68973309240833 is a prime.

It is a super-2 number, since 2×68973311337985² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185585545 + ... + 185956825.

It is an arithmetic number, because the mean of its divisors is an integer number (2612481239160).

Almost surely, 2^{68973311337985} is an apocalyptic number.

It is an amenable number.

68973311337985 is a deficient number, since it is larger than the sum of its proper divisors (14626088315135).

68973311337985 is a wasteful number, since it uses less digits than its factorization.

68973311337985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372409.

The product of its digits is 617258880, while the sum is 73.

Subtracting from 68973311337985 its reverse (58973311337986), we obtain a palindrome (9999999999999).

The spelling of 68973311337985 in words is "sixty-eight trillion, nine hundred seventy-three billion, three hundred eleven million, three hundred thirty-seven thousand, nine hundred eighty-five".