4478322613 has 2 divisors, whose sum is σ = 4478322614. Its totient is φ = 4478322612.

The previous prime is 4478322587. The next prime is 4478322619. The reversal of 4478322613 is 3162238744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2930923044 + 1547399569 = 54138^2 + 39337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4478322613 is a prime.

It is a super-2 number, since 2×4478322613² = 40110746852214295538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478322619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239161306 + 2239161307.

It is an arithmetic number, because the mean of its divisors is an integer number (2239161307).

Almost surely, 2^4478322613 is an apocalyptic number.

It is an amenable number.

4478322613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478322613 is an equidigital number, since it uses as much as digits as its factorization.

4478322613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 4478322613 is about 66920.2705687895. The cubic root of 4478322613 is about 1648.3083504786.

The spelling of 4478322613 in words is "four billion, four hundred seventy-eight million, three hundred twenty-two thousand, six hundred thirteen".