363449504609 has 2 divisors, whose sum is σ = 363449504610. Its totient is φ = 363449504608.

The previous prime is 363449504563. The next prime is 363449504707. The reversal of 363449504609 is 906405944363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348516664609 + 14932840000 = 590353^2 + 122200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-363449504609 is a prime.

It is not a weakly prime, because it can be changed into another prime (363449509609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181724752304 + 181724752305.

It is an arithmetic number, because the mean of its divisors is an integer number (181724752305).

Almost surely, 2^363449504609 is an apocalyptic number.

It is an amenable number.

363449504609 is a deficient number, since it is larger than the sum of its proper divisors (1).

363449504609 is an equidigital number, since it uses as much as digits as its factorization.

363449504609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 363449504609 in words is "three hundred sixty-three billion, four hundred forty-nine million, five hundred four thousand, six hundred nine".