4397343794881 has 8 divisors (see below), whose sum is σ = 4830034374720. Its totient is φ = 3984778358352.

The previous prime is 4397343794873. The next prime is 4397343794887. The reversal of 4397343794881 is 1884973437934.

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 4397343794881 - 2³ = 4397343794873 is a prime.

It is a super-2 number, since 2×4397343794881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4397343794881.

It is not an unprimeable number, because it can be changed into a prime (4397343794887) 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, 5031285370 + ... + 5031286243.

It is an arithmetic number, because the mean of its divisors is an integer number (603754296840).

Almost surely, 2^{4397343794881} is an apocalyptic number.

It is an amenable number.

4397343794881 is a deficient number, since it is larger than the sum of its proper divisors (432690579839).

4397343794881 is a wasteful number, since it uses less digits than its factorization.

4397343794881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062571655.

The product of its digits is 438939648, while the sum is 70.

The spelling of 4397343794881 in words is "four trillion, three hundred ninety-seven billion, three hundred forty-three million, seven hundred ninety-four thousand, eight hundred eighty-one".