3659618149 has 8 divisors (see below), whose sum is σ = 3992748480. Its totient is φ = 3326560800.

The previous prime is 3659618093. The next prime is 3659618161. The reversal of 3659618149 is 9418169563.

3659618149 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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-3659618149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3659618096 and 3659618105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659618449) 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, 190704 + ... + 209014.

It is an arithmetic number, because the mean of its divisors is an integer number (499093560).

Almost surely, 2^3659618149 is an apocalyptic number.

It is an amenable number.

3659618149 is a deficient number, since it is larger than the sum of its proper divisors (333130331).

3659618149 is a wasteful number, since it uses less digits than its factorization.

3659618149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36491.

The product of its digits is 1399680, while the sum is 52.

The square root of 3659618149 is about 60494.7778655315. Note that the first 3 decimals coincide. The cubic root of 3659618149 is about 1541.0329480018.

It can be divided in two parts, 36596 and 18149, that added together give a palindrome (54745).

The spelling of 3659618149 in words is "three billion, six hundred fifty-nine million, six hundred eighteen thousand, one hundred forty-nine".