5578408393 has 2 divisors, whose sum is σ = 5578408394. Its totient is φ = 5578408392.

The previous prime is 5578408391. The next prime is 5578408399. The reversal of 5578408393 is 3938048755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3435366544 + 2143041849 = 58612^2 + 46293^2 .

It is a cyclic number.

It is not a de Polignac number, because 5578408393 - 2¹ = 5578408391 is a prime.

It is a super-2 number, since 2×5578408393² = 62237280398185684898, which contains 22 as substring.

Together with 5578408391, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5578408393.

It is not a weakly prime, because it can be changed into another prime (5578408391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789204196 + 2789204197.

It is an arithmetic number, because the mean of its divisors is an integer number (2789204197).

Almost surely, 2^5578408393 is an apocalyptic number.

It is an amenable number.

5578408393 is a deficient number, since it is larger than the sum of its proper divisors (1).

5578408393 is an equidigital number, since it uses as much as digits as its factorization.

5578408393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The square root of 5578408393 is about 74688.7434155911. The cubic root of 5578408393 is about 1773.5227693927.

The spelling of 5578408393 in words is "five billion, five hundred seventy-eight million, four hundred eight thousand, three hundred ninety-three".