3649616839 has 8 divisors (see below), whose sum is σ = 4154504832. Its totient is φ = 3173579640.

The previous prime is 3649616833. The next prime is 3649616857. The reversal of 3649616839 is 9386169463.

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

It is not a de Polignac number, because 3649616839 - 2¹⁷ = 3649485767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3649616839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649616833) 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, 7212429 + ... + 7212934.

It is an arithmetic number, because the mean of its divisors is an integer number (519313104).

Almost surely, 2^3649616839 is an apocalyptic number.

3649616839 is a deficient number, since it is larger than the sum of its proper divisors (504887993).

3649616839 is a wasteful number, since it uses less digits than its factorization.

3649616839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14425397.

The product of its digits is 5038848, while the sum is 55.

The square root of 3649616839 is about 60412.0587217486. The cubic root of 3649616839 is about 1539.6278460657.

It can be divided in two parts, 36496 and 16839, that added together give a palindrome (53335).

The spelling of 3649616839 in words is "three billion, six hundred forty-nine million, six hundred sixteen thousand, eight hundred thirty-nine".