364121478817 has 2 divisors, whose sum is σ = 364121478818. Its totient is φ = 364121478816.

The previous prime is 364121478751. The next prime is 364121478871. The reversal of 364121478817 is 718874121463.

It is a happy number.

Together with next prime (364121478871) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294381119761 + 69740359056 = 542569^2 + 264084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-364121478817 is a prime.

It is not a weakly prime, because it can be changed into another prime (364121478317) 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, 182060739408 + 182060739409.

It is an arithmetic number, because the mean of its divisors is an integer number (182060739409).

Almost surely, 2^364121478817 is an apocalyptic number.

It is an amenable number.

364121478817 is a deficient number, since it is larger than the sum of its proper divisors (1).

364121478817 is an equidigital number, since it uses as much as digits as its factorization.

364121478817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 52.

The spelling of 364121478817 in words is "three hundred sixty-four billion, one hundred twenty-one million, four hundred seventy-eight thousand, eight hundred seventeen".