65600444401 has 4 divisors (see below), whose sum is σ = 66712316400. Its totient is φ = 64488572404.

The previous prime is 65600444389. The next prime is 65600444419. The reversal of 65600444401 is 10444400656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65600444401 - 2¹¹ = 65600442353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65600444431) 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, 555935911 + ... + 555936028.

It is an arithmetic number, because the mean of its divisors is an integer number (16678079100).

Almost surely, 2^65600444401 is an apocalyptic number.

It is an amenable number.

65600444401 is a deficient number, since it is larger than the sum of its proper divisors (1111871999).

65600444401 is a wasteful number, since it uses less digits than its factorization.

65600444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111871998.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 65600444401 in words is "sixty-five billion, six hundred million, four hundred forty-four thousand, four hundred one".