3649349432 has 8 divisors (see below), whose sum is σ = 6842530200. Its totient is φ = 1824674712.

The previous prime is 3649349393. The next prime is 3649349477. The reversal of 3649349432 is 2349439463.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228084332 + ... + 228084347.

It is an arithmetic number, because the mean of its divisors is an integer number (855316275).

Almost surely, 2^3649349432 is an apocalyptic number.

It is an amenable number.

3649349432 is a deficient number, since it is larger than the sum of its proper divisors (3193180768).

3649349432 is a wasteful number, since it uses less digits than its factorization.

3649349432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456168685 (or 456168681 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 47.

The square root of 3649349432 is about 60409.8454889598. The cubic root of 3649349432 is about 1539.5902423631.

The spelling of 3649349432 in words is "three billion, six hundred forty-nine million, three hundred forty-nine thousand, four hundred thirty-two".