3653749916 has 24 divisors (see below), whose sum is σ = 6681290784. Its totient is φ = 1745029440.

The previous prime is 3653749909. The next prime is 3653749919. The reversal of 3653749916 is 6199473563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653749919) 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, 40346 + ... + 94526.

It is an arithmetic number, because the mean of its divisors is an integer number (278387116).

Almost surely, 2^3653749916 is an apocalyptic number.

It is an amenable number.

3653749916 is a deficient number, since it is larger than the sum of its proper divisors (3027540868).

3653749916 is a wasteful number, since it uses less digits than its factorization.

3653749916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54941 (or 54939 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 53.

The square root of 3653749916 is about 60446.2564266804. The cubic root of 3653749916 is about 1540.2088202805.

The spelling of 3653749916 in words is "three billion, six hundred fifty-three million, seven hundred forty-nine thousand, nine hundred sixteen".