68773100133 has 4 divisors (see below), whose sum is σ = 91697466848. Its totient is φ = 45848733420.

The previous prime is 68773100129. The next prime is 68773100141. The reversal of 68773100133 is 33100137786.

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 not a de Polignac number, because 68773100133 - 2² = 68773100129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68773100091 and 68773100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68773100633) 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, 11462183353 + ... + 11462183358.

It is an arithmetic number, because the mean of its divisors is an integer number (22924366712).

Almost surely, 2^68773100133 is an apocalyptic number.

It is an amenable number.

68773100133 is a deficient number, since it is larger than the sum of its proper divisors (22924366715).

68773100133 is a wasteful number, since it uses less digits than its factorization.

68773100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22924366714.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 68773100133 in words is "sixty-eight billion, seven hundred seventy-three million, one hundred thousand, one hundred thirty-three".