4206656401 has 2 divisors, whose sum is σ = 4206656402. Its totient is φ = 4206656400.

The previous prime is 4206656387. The next prime is 4206656437. The reversal of 4206656401 is 1046566024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4157670400 + 48986001 = 64480^2 + 6999^2 .

It is a cyclic number.

It is not a de Polignac number, because 4206656401 - 2¹³ = 4206648209 is a prime.

It is not a weakly prime, because it can be changed into another prime (4206656501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103328200 + 2103328201.

It is an arithmetic number, because the mean of its divisors is an integer number (2103328201).

Almost surely, 2^4206656401 is an apocalyptic number.

It is an amenable number.

4206656401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206656401 is an equidigital number, since it uses as much as digits as its factorization.

4206656401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4206656401 is about 64858.7419011501. The cubic root of 4206656401 is about 1614.2805475682.

The spelling of 4206656401 in words is "four billion, two hundred six million, six hundred fifty-six thousand, four hundred one".