361222753849 has 2 divisors, whose sum is σ = 361222753850. Its totient is φ = 361222753848.

The previous prime is 361222753823. The next prime is 361222753877. The reversal of 361222753849 is 948357222163.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217757556025 + 143465197824 = 466645^2 + 378768^2 .

It is a cyclic number.

It is not a de Polignac number, because 361222753849 - 2⁷ = 361222753721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361222753796 and 361222753805.

It is not a weakly prime, because it can be changed into another prime (361222753819) 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, 180611376924 + 180611376925.

It is an arithmetic number, because the mean of its divisors is an integer number (180611376925).

Almost surely, 2^361222753849 is an apocalyptic number.

It is an amenable number.

361222753849 is a deficient number, since it is larger than the sum of its proper divisors (1).

361222753849 is an equidigital number, since it uses as much as digits as its factorization.

361222753849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 52.

The spelling of 361222753849 in words is "three hundred sixty-one billion, two hundred twenty-two million, seven hundred fifty-three thousand, eight hundred forty-nine".