361642429 has 2 divisors, whose sum is σ = 361642430. Its totient is φ = 361642428.

The previous prime is 361642417. The next prime is 361642439. The reversal of 361642429 is 924246163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227708100 + 133934329 = 15090^2 + 11573^2 .

It is a cyclic number.

It is not a de Polignac number, because 361642429 - 2⁷ = 361642301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361642439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180821214 + 180821215.

It is an arithmetic number, because the mean of its divisors is an integer number (180821215).

Almost surely, 2^361642429 is an apocalyptic number.

It is an amenable number.

361642429 is a deficient number, since it is larger than the sum of its proper divisors (1).

361642429 is an equidigital number, since it uses as much as digits as its factorization.

361642429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 361642429 is about 19016.8985115870. The cubic root of 361642429 is about 712.4588614393.

The spelling of 361642429 in words is "three hundred sixty-one million, six hundred forty-two thousand, four hundred twenty-nine".