338487977833 has 2 divisors, whose sum is σ = 338487977834. Its totient is φ = 338487977832.

The previous prime is 338487977801. The next prime is 338487977881. The reversal of 338487977833 is 338779784833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239563260304 + 98924717529 = 489452^2 + 314523^2 .

It is a cyclic number.

It is not a de Polignac number, because 338487977833 - 2⁵ = 338487977801 is a prime.

It is a super-2 number, since 2×338487977833² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338481977833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169243988916 + 169243988917.

It is an arithmetic number, because the mean of its divisors is an integer number (169243988917).

Almost surely, 2^338487977833 is an apocalyptic number.

It is an amenable number.

338487977833 is a deficient number, since it is larger than the sum of its proper divisors (1).

338487977833 is an equidigital number, since it uses as much as digits as its factorization.

338487977833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512096256, while the sum is 70.

The spelling of 338487977833 in words is "three hundred thirty-eight billion, four hundred eighty-seven million, nine hundred seventy-seven thousand, eight hundred thirty-three".