4478066251 has 2 divisors, whose sum is σ = 4478066252. Its totient is φ = 4478066250.

The previous prime is 4478066227. The next prime is 4478066261. The reversal of 4478066251 is 1526608744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4478066251 - 2⁷ = 4478066123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4478066198 and 4478066207.

It is not a weakly prime, because it can be changed into another prime (4478066221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239033125 + 2239033126.

It is an arithmetic number, because the mean of its divisors is an integer number (2239033126).

Almost surely, 2^4478066251 is an apocalyptic number.

4478066251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478066251 is an equidigital number, since it uses as much as digits as its factorization.

4478066251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 4478066251 is about 66918.3551127790. The cubic root of 4478066251 is about 1648.2768973562.

The spelling of 4478066251 in words is "four billion, four hundred seventy-eight million, sixty-six thousand, two hundred fifty-one".