3649955655 has 16 divisors (see below), whose sum is σ = 6028314624. Its totient is φ = 1883847840.

The previous prime is 3649955599. The next prime is 3649955663. The reversal of 3649955655 is 5565599463.

It is not a de Polignac number, because 3649955655 - 2¹² = 3649951559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3649955595 and 3649955604.

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, 3924219 + ... + 3925148.

It is an arithmetic number, because the mean of its divisors is an integer number (376769664).

Almost surely, 2^3649955655 is an apocalyptic number.

3649955655 is a deficient number, since it is larger than the sum of its proper divisors (2378358969).

3649955655 is a wasteful number, since it uses less digits than its factorization.

3649955655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849406.

The product of its digits is 21870000, while the sum is 57.

The square root of 3649955655 is about 60414.8628650268. The cubic root of 3649955655 is about 1539.6754889124.

The spelling of 3649955655 in words is "three billion, six hundred forty-nine million, nine hundred fifty-five thousand, six hundred fifty-five".