68911201939 has 8 divisors (see below), whose sum is σ = 69891221088. Its totient is φ = 67931445120.

The previous prime is 68911201927. The next prime is 68911201967. The reversal of 68911201939 is 93910211986.

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

It is a cyclic number.

It is not a de Polignac number, because 68911201939 - 2⁷ = 68911201811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68911201892 and 68911201901.

It is not an unprimeable number, because it can be changed into a prime (68911205939) 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 7 ways as a sum of consecutive naturals, for example, 497659 + ... + 620875.

It is an arithmetic number, because the mean of its divisors is an integer number (8736402636).

Almost surely, 2^68911201939 is an apocalyptic number.

68911201939 is a deficient number, since it is larger than the sum of its proper divisors (980019149).

68911201939 is a wasteful number, since it uses less digits than its factorization.

68911201939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131165.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 68911201939 in words is "sixty-eight billion, nine hundred eleven million, two hundred one thousand, nine hundred thirty-nine".