336406400321 has 2 divisors, whose sum is σ = 336406400322. Its totient is φ = 336406400320.

The previous prime is 336406400207. The next prime is 336406400327. The reversal of 336406400321 is 123004604633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333432334096 + 2974066225 = 577436^2 + 54535^2 .

It is an emirp because it is prime and its reverse (123004604633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 336406400321 - 2³⁴ = 319226531137 is a prime.

It is a super-2 number, since 2×336406400321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (336406400327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168203200160 + 168203200161.

It is an arithmetic number, because the mean of its divisors is an integer number (168203200161).

Almost surely, 2^336406400321 is an apocalyptic number.

It is an amenable number.

336406400321 is a deficient number, since it is larger than the sum of its proper divisors (1).

336406400321 is an equidigital number, since it uses as much as digits as its factorization.

336406400321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 336406400321 in words is "three hundred thirty-six billion, four hundred six million, four hundred thousand, three hundred twenty-one".