4381664547047 has 4 divisors (see below), whose sum is σ = 4382271517080. Its totient is φ = 4381057577016.

The previous prime is 4381664547031. The next prime is 4381664547053. The reversal of 4381664547047 is 7407454661834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4381664547047 - 2⁴ = 4381664547031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381664547097) 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, 303474188 + ... + 303488625.

It is an arithmetic number, because the mean of its divisors is an integer number (1095567879270).

Almost surely, 2^{4381664547047} is an apocalyptic number.

4381664547047 is a deficient number, since it is larger than the sum of its proper divisors (606970033).

4381664547047 is an equidigital number, since it uses as much as digits as its factorization.

4381664547047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606970032.

The product of its (nonzero) digits is 54190080, while the sum is 59.

The spelling of 4381664547047 in words is "four trillion, three hundred eighty-one billion, six hundred sixty-four million, five hundred forty-seven thousand, forty-seven".