4389748841 has 2 divisors, whose sum is σ = 4389748842. Its totient is φ = 4389748840.

The previous prime is 4389748819. The next prime is 4389748877. The reversal of 4389748841 is 1488479834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3285582400 + 1104166441 = 57320^2 + 33229^2 .

It is a cyclic number.

It is not a de Polignac number, because 4389748841 - 2²⁶ = 4322639977 is a prime.

It is not a weakly prime, because it can be changed into another prime (4389748141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194874420 + 2194874421.

It is an arithmetic number, because the mean of its divisors is an integer number (2194874421).

Almost surely, 2^4389748841 is an apocalyptic number.

It is an amenable number.

4389748841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4389748841 is an equidigital number, since it uses as much as digits as its factorization.

4389748841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 56.

The square root of 4389748841 is about 66255.1797295879. The cubic root of 4389748841 is about 1637.3689769960.

The spelling of 4389748841 in words is "four billion, three hundred eighty-nine million, seven hundred forty-eight thousand, eight hundred forty-one".