3649616993 has 8 divisors (see below), whose sum is σ = 4000272096. Its totient is φ = 3302107200.

The previous prime is 3649616981. The next prime is 3649617017. The reversal of 3649616993 is 3996169463.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3649616993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3649616903) 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, 783896 + ... + 788537.

It is an arithmetic number, because the mean of its divisors is an integer number (500034012).

Almost surely, 2^3649616993 is an apocalyptic number.

It is an amenable number.

3649616993 is a deficient number, since it is larger than the sum of its proper divisors (350655103).

3649616993 is a wasteful number, since it uses less digits than its factorization.

3649616993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572655.

The product of its digits is 5668704, while the sum is 56.

The square root of 3649616993 is about 60412.0599963285. The cubic root of 3649616993 is about 1539.6278677212.

The spelling of 3649616993 in words is "three billion, six hundred forty-nine million, six hundred sixteen thousand, nine hundred ninety-three".