68004343444 has 6 divisors (see below), whose sum is σ = 119007601034. Its totient is φ = 34002171720.

The previous prime is 68004343441. The next prime is 68004343457. The reversal of 68004343444 is 44434340086.

It can be written as a sum of positive squares in only one way, i.e., 67418122500 + 586220944 = 259650^2 + 24212^2 .

It is a super-2 number, since 2×68004343444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68004343397 and 68004343406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68004343441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8500542927 + ... + 8500542934.

Almost surely, 2^68004343444 is an apocalyptic number.

It is an amenable number.

68004343444 is a deficient number, since it is larger than the sum of its proper divisors (51003257590).

68004343444 is a wasteful number, since it uses less digits than its factorization.

68004343444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17001085865 (or 17001085863 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 68004343444 in words is "sixty-eight billion, four million, three hundred forty-three thousand, four hundred forty-four".