3536993549 has 4 divisors (see below), whose sum is σ = 3537130140. Its totient is φ = 3536856960.

The previous prime is 3536993543. The next prime is 3536993557. The reversal of 3536993549 is 9453996353.

3536993549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9453996353 = 5783 ⋅1634791.

It can be written as a sum of positive squares in 2 ways, for example, as 1425591049 + 2111402500 = 37757^2 + 45950^2 .

It is a cyclic number.

It is not a de Polignac number, because 3536993549 - 2⁴ = 3536993533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3536993494 and 3536993503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3536993543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16214 + ... + 85655.

It is an arithmetic number, because the mean of its divisors is an integer number (884282535).

Almost surely, 2^3536993549 is an apocalyptic number.

It is an amenable number.

3536993549 is a deficient number, since it is larger than the sum of its proper divisors (136591).

3536993549 is a wasteful number, since it uses less digits than its factorization.

3536993549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136590.

The product of its digits is 11809800, while the sum is 56.

The square root of 3536993549 is about 59472.6285697883. The cubic root of 3536993549 is about 1523.6249971448.

The spelling of 3536993549 in words is "three billion, five hundred thirty-six million, nine hundred ninety-three thousand, five hundred forty-nine".