443101381361 has 4 divisors (see below), whose sum is σ = 443173636212. Its totient is φ = 443029126512.

The previous prime is 443101381337. The next prime is 443101381409. The reversal of 443101381361 is 163183101344.

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 231644877025 + 211456504336 = 481295^2 + 459844^2 .

It is a cyclic number.

It is not a de Polignac number, because 443101381361 - 2³⁸ = 168223474417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443101381301) 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, 36118226 + ... + 36130491.

It is an arithmetic number, because the mean of its divisors is an integer number (110793409053).

Almost surely, 2^443101381361 is an apocalyptic number.

It is an amenable number.

443101381361 is a deficient number, since it is larger than the sum of its proper divisors (72254851).

443101381361 is an equidigital number, since it uses as much as digits as its factorization.

443101381361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72254850.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 443101381361 in words is "four hundred forty-three billion, one hundred one million, three hundred eighty-one thousand, three hundred sixty-one".