68959538590 has 16 divisors (see below), whose sum is σ = 124134546240. Its totient is φ = 27582176160.

The previous prime is 68959538563. The next prime is 68959538603. The reversal of 68959538590 is 9583595986.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20310 + ... + 371929.

It is an arithmetic number, because the mean of its divisors is an integer number (7758409140).

Almost surely, 2^68959538590 is an apocalyptic number.

68959538590 is a deficient number, since it is larger than the sum of its proper divisors (55175007650).

68959538590 is a wasteful number, since it uses less digits than its factorization.

68959538590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409827.

The product of its (nonzero) digits is 104976000, while the sum is 67.

The spelling of 68959538590 in words is "sixty-eight billion, nine hundred fifty-nine million, five hundred thirty-eight thousand, five hundred ninety".