3649235964 has 48 divisors (see below), whose sum is σ = 9294539520. Its totient is φ = 1105165440.

The previous prime is 3649235951. The next prime is 3649236043. The reversal of 3649235964 is 4695329463.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240672 + ... + 255384.

It is an arithmetic number, because the mean of its divisors is an integer number (193636240).

Almost surely, 2^3649235964 is an apocalyptic number.

It is an amenable number.

3649235964 is an abundant number, since it is smaller than the sum of its proper divisors (5645303556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3649235964 is a wasteful number, since it uses less digits than its factorization.

3649235964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610 (or 16608 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 51.

The square root of 3649235964 is about 60408.9063301100. The cubic root of 3649235964 is about 1539.5742855430.

The spelling of 3649235964 in words is "three billion, six hundred forty-nine million, two hundred thirty-five thousand, nine hundred sixty-four".