4478685403 has 2 divisors, whose sum is σ = 4478685404. Its totient is φ = 4478685402.

The previous prime is 4478685397. The next prime is 4478685493. The reversal of 4478685403 is 3045868744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4478685403 - 2⁵ = 4478685371 is a prime.

It is not a weakly prime, because it can be changed into another prime (4478685493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239342701 + 2239342702.

It is an arithmetic number, because the mean of its divisors is an integer number (2239342702).

Almost surely, 2^4478685403 is an apocalyptic number.

4478685403 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478685403 is an equidigital number, since it uses as much as digits as its factorization.

4478685403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The square root of 4478685403 is about 66922.9811275619. The cubic root of 4478685403 is about 1648.3528592297.

The spelling of 4478685403 in words is "four billion, four hundred seventy-eight million, six hundred eighty-five thousand, four hundred three".