3649368247 has 24 divisors (see below), whose sum is σ = 4572585600. Its totient is φ = 2894448816.

The previous prime is 3649368227. The next prime is 3649368253. The reversal of 3649368247 is 7428639463.

It is a happy number.

It is not a de Polignac number, because 3649368247 - 2¹⁹ = 3648843959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3649368194 and 3649368203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649368227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5547 + ... + 85612.

It is an arithmetic number, because the mean of its divisors is an integer number (190524400).

Almost surely, 2^3649368247 is an apocalyptic number.

3649368247 is a deficient number, since it is larger than the sum of its proper divisors (923217353).

3649368247 is a wasteful number, since it uses less digits than its factorization.

3649368247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91235 (or 91228 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 52.

The square root of 3649368247 is about 60410.0012166860. The cubic root of 3649368247 is about 1539.5928882539.

The spelling of 3649368247 in words is "three billion, six hundred forty-nine million, three hundred sixty-eight thousand, two hundred forty-seven".