4445564331397 has 8 divisors (see below), whose sum is σ = 5125606410816. Its totient is φ = 3776762617152.

The previous prime is 4445564331379. The next prime is 4445564331419. The reversal of 4445564331397 is 7931334655444.

4445564331397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4445564331397 - 2⁷ = 4445564331269 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 (4445564331367) 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, 2810090443 + ... + 2810092024.

It is an arithmetic number, because the mean of its divisors is an integer number (640700801352).

Almost surely, 2^{4445564331397} is an apocalyptic number.

It is an amenable number.

4445564331397 is a deficient number, since it is larger than the sum of its proper divisors (680042079419).

4445564331397 is a wasteful number, since it uses less digits than its factorization.

4445564331397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620182587.

The product of its digits is 65318400, while the sum is 58.

The spelling of 4445564331397 in words is "four trillion, four hundred forty-five billion, five hundred sixty-four million, three hundred thirty-one thousand, three hundred ninety-seven".