338539791451 has 2 divisors, whose sum is σ = 338539791452. Its totient is φ = 338539791450.

The previous prime is 338539791433. The next prime is 338539791493. The reversal of 338539791451 is 154197935833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338539791451 - 2²³ = 338531402843 is a prime.

It is a super-2 number, since 2×338539791451² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338539711451) 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, 169269895725 + 169269895726.

It is an arithmetic number, because the mean of its divisors is an integer number (169269895726).

Almost surely, 2^338539791451 is an apocalyptic number.

338539791451 is a deficient number, since it is larger than the sum of its proper divisors (1).

338539791451 is an equidigital number, since it uses as much as digits as its factorization.

338539791451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 58.

The spelling of 338539791451 in words is "three hundred thirty-eight billion, five hundred thirty-nine million, seven hundred ninety-one thousand, four hundred fifty-one".