68444475001 has 8 divisors (see below), whose sum is σ = 78258809664. Its totient is φ = 58639278480.

The previous prime is 68444474981. The next prime is 68444475053. The reversal of 68444475001 is 10057444486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68444475001 - 2⁹ = 68444474489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68444415001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268475 + ... + 2298448.

It is an arithmetic number, because the mean of its divisors is an integer number (9782351208).

Almost surely, 2^68444475001 is an apocalyptic number.

It is an amenable number.

68444475001 is a deficient number, since it is larger than the sum of its proper divisors (9814334663).

68444475001 is a wasteful number, since it uses less digits than its factorization.

68444475001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569071.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 68444475001 in words is "sixty-eight billion, four hundred forty-four million, four hundred seventy-five thousand, one".