363642449 has 2 divisors, whose sum is σ = 363642450. Its totient is φ = 363642448.

The previous prime is 363642437. The next prime is 363642457. The reversal of 363642449 is 944246363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233111824 + 130530625 = 15268^2 + 11425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-363642449 is a prime.

It is not a weakly prime, because it can be changed into another prime (363642469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181821224 + 181821225.

It is an arithmetic number, because the mean of its divisors is an integer number (181821225).

Almost surely, 2^363642449 is an apocalyptic number.

It is an amenable number.

363642449 is a deficient number, since it is larger than the sum of its proper divisors (1).

363642449 is an equidigital number, since it uses as much as digits as its factorization.

363642449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 41.

The square root of 363642449 is about 19069.4113438250. The cubic root of 363642449 is about 713.7698370458.

The spelling of 363642449 in words is "three hundred sixty-three million, six hundred forty-two thousand, four hundred forty-nine".