3689433741549 has 16 divisors (see below), whose sum is σ = 5055864888320. Its totient is φ = 2392241932080.

The previous prime is 3689433741473. The next prime is 3689433741563. The reversal of 3689433741549 is 9451473349863.

It is not a de Polignac number, because 3689433741549 - 2¹⁵ = 3689433708781 is a prime.

It is a super-2 number, since 2×3689433741549² (a number of 26 digits) contains 22 as substring.

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 3689433741549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689433741589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116157487 + ... + 116189244.

It is an arithmetic number, because the mean of its divisors is an integer number (315991555520).

Almost surely, 2^{3689433741549} is an apocalyptic number.

It is an amenable number.

3689433741549 is a deficient number, since it is larger than the sum of its proper divisors (1366431146771).

3689433741549 is a wasteful number, since it uses less digits than its factorization.

3689433741549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232346880.

The product of its digits is 235146240, while the sum is 66.

The spelling of 3689433741549 in words is "three trillion, six hundred eighty-nine billion, four hundred thirty-three million, seven hundred forty-one thousand, five hundred forty-nine".