4381842001 has 2 divisors, whose sum is σ = 4381842002. Its totient is φ = 4381842000.

The previous prime is 4381841999. The next prime is 4381842053. The reversal of 4381842001 is 1002481834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3850078401 + 531763600 = 62049^2 + 23060^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381842001 - 2¹ = 4381841999 is a prime.

Together with 4381841999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4381842061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190921000 + 2190921001.

It is an arithmetic number, because the mean of its divisors is an integer number (2190921001).

Almost surely, 2^4381842001 is an apocalyptic number.

It is an amenable number.

4381842001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381842001 is an equidigital number, since it uses as much as digits as its factorization.

4381842001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4381842001 is about 66195.4832371515. The cubic root of 4381842001 is about 1636.3853067960.

The spelling of 4381842001 in words is "four billion, three hundred eighty-one million, eight hundred forty-two thousand, one".