68652945033 has 4 divisors (see below), whose sum is σ = 91537260048. Its totient is φ = 45768630020.

The previous prime is 68652945017. The next prime is 68652945071. The reversal of 68652945033 is 33054925686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68652945033 - 2⁴ = 68652945017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68652945083) 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 3 ways as a sum of consecutive naturals, for example, 11442157503 + ... + 11442157508.

It is an arithmetic number, because the mean of its divisors is an integer number (22884315012).

Almost surely, 2^68652945033 is an apocalyptic number.

It is an amenable number.

68652945033 is a deficient number, since it is larger than the sum of its proper divisors (22884315015).

68652945033 is a wasteful number, since it uses less digits than its factorization.

68652945033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22884315014.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 68652945033 in words is "sixty-eight billion, six hundred fifty-two million, nine hundred forty-five thousand, thirty-three".