4420197650881 has 4 divisors (see below), whose sum is σ = 4503597606612. Its totient is φ = 4336797695152.

The previous prime is 4420197650867. The next prime is 4420197650893. The reversal of 4420197650881 is 1880567910244.

4420197650881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3379218210225 + 1040979440656 = 1838265^2 + 1020284^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420197650881 - 2⁵ = 4420197650849 is a prime.

It is a super-2 number, since 2×4420197650881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420197650081) 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, 41699977786 + ... + 41699977891.

It is an arithmetic number, because the mean of its divisors is an integer number (1125899401653).

Almost surely, 2^{4420197650881} is an apocalyptic number.

It is an amenable number.

4420197650881 is a deficient number, since it is larger than the sum of its proper divisors (83399955731).

4420197650881 is an equidigital number, since it uses as much as digits as its factorization.

4420197650881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83399955730.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 4420197650881 in words is "four trillion, four hundred twenty billion, one hundred ninety-seven million, six hundred fifty thousand, eight hundred eighty-one".