68424805333 has 4 divisors (see below), whose sum is σ = 72449793900. Its totient is φ = 64399816768.

The previous prime is 68424805313. The next prime is 68424805343. The reversal of 68424805333 is 33350842486.

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 39143435409 + 29281369924 = 197847^2 + 171118^2 .

It is a cyclic number.

It is not a de Polignac number, because 68424805333 - 2⁹ = 68424804821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68424805303) 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, 2012494258 + ... + 2012494291.

It is an arithmetic number, because the mean of its divisors is an integer number (18112448475).

Almost surely, 2^68424805333 is an apocalyptic number.

It is an amenable number.

68424805333 is a deficient number, since it is larger than the sum of its proper divisors (4024988567).

68424805333 is a wasteful number, since it uses less digits than its factorization.

68424805333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024988566.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 68424805333 in words is "sixty-eight billion, four hundred twenty-four million, eight hundred five thousand, three hundred thirty-three".