4247161466257 has 2 divisors, whose sum is σ = 4247161466258. Its totient is φ = 4247161466256.

The previous prime is 4247161466243. The next prime is 4247161466287. The reversal of 4247161466257 is 7526641617424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2649859809921 + 1597301656336 = 1627839^2 + 1263844^2 .

It is a cyclic number.

It is not a de Polignac number, because 4247161466257 - 2⁷ = 4247161466129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4247161466198 and 4247161466207.

It is not a weakly prime, because it can be changed into another prime (4247161466287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123580733128 + 2123580733129.

It is an arithmetic number, because the mean of its divisors is an integer number (2123580733129).

Almost surely, 2^{4247161466257} is an apocalyptic number.

It is an amenable number.

4247161466257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247161466257 is an equidigital number, since it uses as much as digits as its factorization.

4247161466257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 55.

The spelling of 4247161466257 in words is "four trillion, two hundred forty-seven billion, one hundred sixty-one million, four hundred sixty-six thousand, two hundred fifty-seven".