368520229081 has 2 divisors, whose sum is σ = 368520229082. Its totient is φ = 368520229080.

The previous prime is 368520229073. The next prime is 368520229087. The reversal of 368520229081 is 180922025863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367610603481 + 909625600 = 606309^2 + 30160^2 .

It is a cyclic number.

It is not a de Polignac number, because 368520229081 - 2³ = 368520229073 is a prime.

It is a super-2 number, since 2×368520229081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368520229087) 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, 184260114540 + 184260114541.

It is an arithmetic number, because the mean of its divisors is an integer number (184260114541).

Almost surely, 2^368520229081 is an apocalyptic number.

It is an amenable number.

368520229081 is a deficient number, since it is larger than the sum of its proper divisors (1).

368520229081 is an equidigital number, since it uses as much as digits as its factorization.

368520229081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 368520229081 in words is "three hundred sixty-eight billion, five hundred twenty million, two hundred twenty-nine thousand, eighty-one".