334555555555681 has 2 divisors, whose sum is σ = 334555555555682. Its totient is φ = 334555555555680.

The previous prime is 334555555555667. The next prime is 334555555555703. The reversal of 334555555555681 is 186555555555433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290581628067025 + 43973927488656 = 17046455^2 + 6631284^2 .

It is an emirp because it is prime and its reverse (186555555555433) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334555555555681 is a prime.

It is a super-2 number, since 2×334555555555681² (a number of 30 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 334555555555681.

It is not a weakly prime, because it can be changed into another prime (334555555555181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167277777777840 + 167277777777841.

It is an arithmetic number, because the mean of its divisors is an integer number (167277777777841).

Almost surely, 2^{334555555555681} is an apocalyptic number.

It is an amenable number.

334555555555681 is a deficient number, since it is larger than the sum of its proper divisors (1).

334555555555681 is an equidigital number, since it uses as much as digits as its factorization.

334555555555681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375000000, while the sum is 70.

The spelling of 334555555555681 in words is "three hundred thirty-four trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, six hundred eighty-one".