363449504639 has 16 divisors (see below), whose sum is σ = 409147576320. Its totient is φ = 320559763680.

The previous prime is 363449504609. The next prime is 363449504707. The reversal of 363449504639 is 936405944363.

It is a de Polignac number, because none of the positive numbers 2^k-363449504639 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363449504609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5676137 + ... + 5739810.

It is an arithmetic number, because the mean of its divisors is an integer number (25571723520).

Almost surely, 2^363449504639 is an apocalyptic number.

363449504639 is a deficient number, since it is larger than the sum of its proper divisors (45698071681).

363449504639 is a wasteful number, since it uses less digits than its factorization.

363449504639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416070.

The product of its (nonzero) digits is 25194240, while the sum is 56.

The spelling of 363449504639 in words is "three hundred sixty-three billion, four hundred forty-nine million, five hundred four thousand, six hundred thirty-nine".