68533764683 has 4 divisors (see below), whose sum is σ = 70127573208. Its totient is φ = 66939956160.

The previous prime is 68533764671. The next prime is 68533764697. The reversal of 68533764683 is 38646733586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38646733586 = 2 ⋅19323366793.

It is a cyclic number.

It is not a de Polignac number, because 68533764683 - 2⁴ = 68533764667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68533764583) 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, 796904198 + ... + 796904283.

It is an arithmetic number, because the mean of its divisors is an integer number (17531893302).

Almost surely, 2^68533764683 is an apocalyptic number.

68533764683 is a deficient number, since it is larger than the sum of its proper divisors (1593808525).

68533764683 is a wasteful number, since it uses less digits than its factorization.

68533764683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593808524.

The product of its digits is 52254720, while the sum is 59.

The spelling of 68533764683 in words is "sixty-eight billion, five hundred thirty-three million, seven hundred sixty-four thousand, six hundred eighty-three".