68938932156938 has 8 divisors (see below), whose sum is σ = 103412589805440. Its totient is φ = 34468068888460.

The previous prime is 68938932156937. The next prime is 68938932156943. The reversal of 68938932156938 is 83965123983986.

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

It is not an unprimeable number, because it can be changed into a prime (68938932156937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698533328 + ... + 698632011.

It is an arithmetic number, because the mean of its divisors is an integer number (12926573725680).

Almost surely, 2^{68938932156938} is an apocalyptic number.

68938932156938 is a deficient number, since it is larger than the sum of its proper divisors (34473657648502).

68938932156938 is a wasteful number, since it uses less digits than its factorization.

68938932156938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397190012.

The product of its digits is 3627970560, while the sum is 80.

The spelling of 68938932156938 in words is "sixty-eight trillion, nine hundred thirty-eight billion, nine hundred thirty-two million, one hundred fifty-six thousand, nine hundred thirty-eight".