4478412038239 has 2 divisors, whose sum is σ = 4478412038240. Its totient is φ = 4478412038238.

The previous prime is 4478412038227. The next prime is 4478412038257. The reversal of 4478412038239 is 9328302148744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4478412038239 - 2⁹ = 4478412037727 is a prime.

It is a super-2 number, since 2×4478412038239² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4478412038239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478412038279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239206019119 + 2239206019120.

It is an arithmetic number, because the mean of its divisors is an integer number (2239206019120).

Almost surely, 2^{4478412038239} is an apocalyptic number.

4478412038239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478412038239 is an equidigital number, since it uses as much as digits as its factorization.

4478412038239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 4478412038239 in words is "four trillion, four hundred seventy-eight billion, four hundred twelve million, thirty-eight thousand, two hundred thirty-nine".