3618383409 has 9 divisors (see below), whose sum is σ = 5226814489. Its totient is φ = 2412135300.

The previous prime is 3618383401. The next prime is 3618383413. The reversal of 3618383409 is 9043838163.

The square root of 3618383409 is 60153.

It is a perfect power (a square), and thus also a powerful number.

3618383409 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3618383409 - 2³ = 3618383401 is a prime.

It is a super-2 number, since 2×3618383409² = 26185396989052922562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3618383401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 170434 + ... + 190484.

Almost surely, 2^3618383409 is an apocalyptic number.

3618383409 is the 60153-rd square number.

3618383409 is the 30077-th centered octagonal number.

It is an amenable number.

3618383409 is a deficient number, since it is larger than the sum of its proper divisors (1608431080).

3618383409 is an frugal number, since it uses more digits than its factorization.

3618383409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40108 (or 20054 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The cubic root of 3618383409 is about 1535.2232107932.

The spelling of 3618383409 in words is "three billion, six hundred eighteen million, three hundred eighty-three thousand, four hundred nine".