43604321466401 has 4 divisors (see below), whose sum is σ = 43605655494912. Its totient is φ = 43602987437892.

The previous prime is 43604321466373. The next prime is 43604321466467. The reversal of 43604321466401 is 10466412340634.

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 43604321466401 - 2⁶ = 43604321466337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43604321466481) 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, 666965225 + ... + 667030598.

It is an arithmetic number, because the mean of its divisors is an integer number (10901413873728).

Almost surely, 2^{43604321466401} is an apocalyptic number.

It is an amenable number.

43604321466401 is a deficient number, since it is larger than the sum of its proper divisors (1334028511).

43604321466401 is a wasteful number, since it uses less digits than its factorization.

43604321466401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334028510.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 43604321466401 in words is "forty-three trillion, six hundred four billion, three hundred twenty-one million, four hundred sixty-six thousand, four hundred one".