68938960963 has 4 divisors (see below), whose sum is σ = 69713556120. Its totient is φ = 68164365808.

The previous prime is 68938960943. The next prime is 68938960999. The reversal of 68938960963 is 36906983986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68938960963 - 2⁵ = 68938960931 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68938960943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387297445 + ... + 387297622.

It is an arithmetic number, because the mean of its divisors is an integer number (17428389030).

Almost surely, 2^68938960963 is an apocalyptic number.

68938960963 is a deficient number, since it is larger than the sum of its proper divisors (774595157).

68938960963 is an equidigital number, since it uses as much as digits as its factorization.

68938960963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774595156.

The product of its (nonzero) digits is 90699264, while the sum is 67.

The spelling of 68938960963 in words is "sixty-eight billion, nine hundred thirty-eight million, nine hundred sixty thousand, nine hundred sixty-three".