361973489 has 2 divisors, whose sum is σ = 361973490. Its totient is φ = 361973488.

The previous prime is 361973467. The next prime is 361973501. The reversal of 361973489 is 984379163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231557089 + 130416400 = 15217^2 + 11420^2 .

It is an emirp because it is prime and its reverse (984379163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361973489 - 2¹² = 361969393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (361973429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180986744 + 180986745.

It is an arithmetic number, because the mean of its divisors is an integer number (180986745).

Almost surely, 2^361973489 is an apocalyptic number.

It is an amenable number.

361973489 is a deficient number, since it is larger than the sum of its proper divisors (1).

361973489 is an equidigital number, since it uses as much as digits as its factorization.

361973489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 361973489 is about 19025.6008840720. The cubic root of 361973489 is about 712.6761983028.

The spelling of 361973489 in words is "three hundred sixty-one million, nine hundred seventy-three thousand, four hundred eighty-nine".