4241621689 has 2 divisors, whose sum is σ = 4241621690. Its totient is φ = 4241621688.

The previous prime is 4241621663. The next prime is 4241621707. The reversal of 4241621689 is 9861261424.

4241621689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4069802025 + 171819664 = 63795^2 + 13108^2 .

It is a cyclic number.

It is not a de Polignac number, because 4241621689 - 2⁹ = 4241621177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4241631689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120810844 + 2120810845.

It is an arithmetic number, because the mean of its divisors is an integer number (2120810845).

Almost surely, 2^4241621689 is an apocalyptic number.

It is an amenable number.

4241621689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4241621689 is an equidigital number, since it uses as much as digits as its factorization.

4241621689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 4241621689 is about 65127.7336393644. The cubic root of 4241621689 is about 1618.7407896317.

The spelling of 4241621689 in words is "four billion, two hundred forty-one million, six hundred twenty-one thousand, six hundred eighty-nine".