338316346447 has 2 divisors, whose sum is σ = 338316346448. Its totient is φ = 338316346446.

The previous prime is 338316346343. The next prime is 338316346453. The reversal of 338316346447 is 744643613833.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338316346447 is a prime.

It is a super-2 number, since 2×338316346447² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338316346394 and 338316346403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338311346447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169158173223 + 169158173224.

It is an arithmetic number, because the mean of its divisors is an integer number (169158173224).

Almost surely, 2^338316346447 is an apocalyptic number.

338316346447 is a deficient number, since it is larger than the sum of its proper divisors (1).

338316346447 is an equidigital number, since it uses as much as digits as its factorization.

338316346447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 52.

The spelling of 338316346447 in words is "three hundred thirty-eight billion, three hundred sixteen million, three hundred forty-six thousand, four hundred forty-seven".