361748192489 has 2 divisors, whose sum is σ = 361748192490. Its totient is φ = 361748192488.

The previous prime is 361748192479. The next prime is 361748192543. The reversal of 361748192489 is 984291847163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294623155264 + 67125037225 = 542792^2 + 259085^2 .

It is a cyclic number.

It is not a de Polignac number, because 361748192489 - 2¹⁶ = 361748126953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (361748192459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180874096244 + 180874096245.

It is an arithmetic number, because the mean of its divisors is an integer number (180874096245).

Almost surely, 2^361748192489 is an apocalyptic number.

It is an amenable number.

361748192489 is a deficient number, since it is larger than the sum of its proper divisors (1).

361748192489 is an equidigital number, since it uses as much as digits as its factorization.

361748192489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The spelling of 361748192489 in words is "three hundred sixty-one billion, seven hundred forty-eight million, one hundred ninety-two thousand, four hundred eighty-nine".