338179516457 has 2 divisors, whose sum is σ = 338179516458. Its totient is φ = 338179516456.

The previous prime is 338179516453. The next prime is 338179516583. The reversal of 338179516457 is 754615971833.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312960806041 + 25218710416 = 559429^2 + 158804^2 .

It is a cyclic number.

It is not a de Polignac number, because 338179516457 - 2² = 338179516453 is a prime.

It is a super-2 number, since 2×338179516457² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338179516396 and 338179516405.

It is not a weakly prime, because it can be changed into another prime (338179516453) 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, 169089758228 + 169089758229.

It is an arithmetic number, because the mean of its divisors is an integer number (169089758229).

Almost surely, 2^338179516457 is an apocalyptic number.

It is an amenable number.

338179516457 is a deficient number, since it is larger than the sum of its proper divisors (1).

338179516457 is an equidigital number, since it uses as much as digits as its factorization.

338179516457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 59.

The spelling of 338179516457 in words is "three hundred thirty-eight billion, one hundred seventy-nine million, five hundred sixteen thousand, four hundred fifty-seven".