68004444745 has 16 divisors (see below), whose sum is σ = 83515512960. Its totient is φ = 53130478464.

The previous prime is 68004444731. The next prime is 68004444791. The reversal of 68004444745 is 54744440086.

It is a cyclic number.

It is not a de Polignac number, because 68004444745 - 2¹¹ = 68004442697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68004444695 and 68004444704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736541 + ... + 1775269.

It is an arithmetic number, because the mean of its divisors is an integer number (5219719560).

Almost surely, 2^68004444745 is an apocalyptic number.

It is an amenable number.

68004444745 is a deficient number, since it is larger than the sum of its proper divisors (15511068215).

68004444745 is a wasteful number, since it uses less digits than its factorization.

68004444745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46944.

The product of its (nonzero) digits is 1720320, while the sum is 46.

The spelling of 68004444745 in words is "sixty-eight billion, four million, four hundred forty-four thousand, seven hundred forty-five".