3649612389 has 8 divisors (see below), whose sum is σ = 4911628320. Its totient is φ = 2410335696.

The previous prime is 3649612367. The next prime is 3649612433. The reversal of 3649612389 is 9832169463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3649612389 - 2⁷ = 3649612261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649612319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684434 + ... + 5685075.

It is an arithmetic number, because the mean of its divisors is an integer number (613953540).

Almost surely, 2^3649612389 is an apocalyptic number.

It is an amenable number.

3649612389 is a deficient number, since it is larger than the sum of its proper divisors (1262015931).

3649612389 is a wasteful number, since it uses less digits than its factorization.

3649612389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369619.

The product of its digits is 1679616, while the sum is 51.

The square root of 3649612389 is about 60412.0218913421. The cubic root of 3649612389 is about 1539.6272203062.

The spelling of 3649612389 in words is "three billion, six hundred forty-nine million, six hundred twelve thousand, three hundred eighty-nine".