68434438201 has 4 divisors (see below), whose sum is σ = 68436372004. Its totient is φ = 68432504400.

The previous prime is 68434438187. The next prime is 68434438231. The reversal of 68434438201 is 10283443486.

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 23050526976 + 45383911225 = 151824^2 + 213035^2 .

It is a cyclic number.

It is not a de Polignac number, because 68434438201 - 2³¹ = 66286954553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68434438231) 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, 912810 + ... + 984931.

It is an arithmetic number, because the mean of its divisors is an integer number (17109093001).

Almost surely, 2^68434438201 is an apocalyptic number.

It is an amenable number.

68434438201 is a deficient number, since it is larger than the sum of its proper divisors (1933803).

68434438201 is a wasteful number, since it uses less digits than its factorization.

68434438201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933802.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 68434438201 in words is "sixty-eight billion, four hundred thirty-four million, four hundred thirty-eight thousand, two hundred one".