4163420257 has 2 divisors, whose sum is σ = 4163420258. Its totient is φ = 4163420256.

The previous prime is 4163420221. The next prime is 4163420281. The reversal of 4163420257 is 7520243614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788790481 + 1374629776 = 52809^2 + 37076^2 .

It is a cyclic number.

It is not a de Polignac number, because 4163420257 - 2¹⁵ = 4163387489 is a prime.

It is not a weakly prime, because it can be changed into another prime (4163420297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081710128 + 2081710129.

It is an arithmetic number, because the mean of its divisors is an integer number (2081710129).

Almost surely, 2^4163420257 is an apocalyptic number.

It is an amenable number.

4163420257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4163420257 is an equidigital number, since it uses as much as digits as its factorization.

4163420257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 4163420257 is about 64524.5709555670. The cubic root of 4163420257 is about 1608.7309492146.

The spelling of 4163420257 in words is "four billion, one hundred sixty-three million, four hundred twenty thousand, two hundred fifty-seven".