4208241221057 has 2 divisors, whose sum is σ = 4208241221058. Its totient is φ = 4208241221056.

The previous prime is 4208241221033. The next prime is 4208241221081. The reversal of 4208241221057 is 7501221428024.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (4208241221033) and next prime (4208241221081).

It can be written as a sum of positive squares in only one way, i.e., 2146975145536 + 2061266075521 = 1465256^2 + 1435711^2 .

It is a cyclic number.

It is not a de Polignac number, because 4208241221057 - 2¹⁰ = 4208241220033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4208241221057.

It is not a weakly prime, because it can be changed into another prime (4208241221857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104120610528 + 2104120610529.

It is an arithmetic number, because the mean of its divisors is an integer number (2104120610529).

Almost surely, 2^{4208241221057} is an apocalyptic number.

It is an amenable number.

4208241221057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4208241221057 is an equidigital number, since it uses as much as digits as its factorization.

4208241221057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 4208241221057 in words is "four trillion, two hundred eight billion, two hundred forty-one million, two hundred twenty-one thousand, fifty-seven".