361442369 has 2 divisors, whose sum is σ = 361442370. Its totient is φ = 361442368.

The previous prime is 361442363. The next prime is 361442387. The reversal of 361442369 is 963244163.

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., 205492225 + 155950144 = 14335^2 + 12488^2 .

It is a cyclic number.

It is not a de Polignac number, because 361442369 - 2¹⁶ = 361376833 is a prime.

It is a super-2 number, since 2×361442369² = 261281172216664322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (361442363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180721184 + 180721185.

It is an arithmetic number, because the mean of its divisors is an integer number (180721185).

Almost surely, 2^361442369 is an apocalyptic number.

It is an amenable number.

361442369 is a deficient number, since it is larger than the sum of its proper divisors (1).

361442369 is an equidigital number, since it uses as much as digits as its factorization.

361442369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 361442369 is about 19011.6377253513. The cubic root of 361442369 is about 712.3274601805.

The spelling of 361442369 in words is "three hundred sixty-one million, four hundred forty-two thousand, three hundred sixty-nine".