68404796233 has 4 divisors (see below), whose sum is σ = 70763582340. Its totient is φ = 66046010128.

The previous prime is 68404796209. The next prime is 68404796269. The reversal of 68404796233 is 33269740486.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20840675769 + 47564120464 = 144363^2 + 218092^2 .

It is a cyclic number.

It is not a de Polignac number, because 68404796233 - 2¹³ = 68404788041 is a prime.

It is a super-2 number, since 2×68404796233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68404796203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179393010 + ... + 1179393067.

It is an arithmetic number, because the mean of its divisors is an integer number (17690895585).

Almost surely, 2^68404796233 is an apocalyptic number.

It is an amenable number.

68404796233 is a deficient number, since it is larger than the sum of its proper divisors (2358786107).

68404796233 is a wasteful number, since it uses less digits than its factorization.

68404796233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358786106.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 68404796233 in words is "sixty-eight billion, four hundred four million, seven hundred ninety-six thousand, two hundred thirty-three".