363499369 has 4 divisors (see below), whose sum is σ = 376033860. Its totient is φ = 350964880.

The previous prime is 363499361. The next prime is 363499373. The reversal of 363499369 is 963994363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 963994363 = 2311 ⋅417133.

It can be written as a sum of positive squares in 2 ways, for example, as 122877225 + 240622144 = 11085^2 + 15512^2 .

It is a cyclic number.

It is not a de Polignac number, because 363499369 - 2³ = 363499361 is a prime.

It is a super-2 number, since 2×363499369² = 264263582526796322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (363499361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6267202 + ... + 6267259.

It is an arithmetic number, because the mean of its divisors is an integer number (94008465).

Almost surely, 2^363499369 is an apocalyptic number.

It is an amenable number.

363499369 is a deficient number, since it is larger than the sum of its proper divisors (12534491).

363499369 is a wasteful number, since it uses less digits than its factorization.

363499369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534490.

The product of its digits is 2834352, while the sum is 52.

The square root of 363499369 is about 19065.6594168678. The cubic root of 363499369 is about 713.6762106592.

The spelling of 363499369 in words is "three hundred sixty-three million, four hundred ninety-nine thousand, three hundred sixty-nine".