3555449648099 has 16 divisors (see below), whose sum is σ = 3799385172000. Its totient is φ = 3315383944704.

The previous prime is 3555449648071. The next prime is 3555449648159. The reversal of 3555449648099 is 9908469445553.

It is a Cunningham number, because it is equal to 1885590²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3555449648099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3555449642099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31999589 + ... + 32110505.

It is an arithmetic number, because the mean of its divisors is an integer number (237461573250).

Almost surely, 2^{3555449648099} is an apocalyptic number.

3555449648099 is a deficient number, since it is larger than the sum of its proper divisors (243935523901).

3555449648099 is a wasteful number, since it uses less digits than its factorization.

3555449648099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128342.

The product of its (nonzero) digits is 839808000, while the sum is 71.

The spelling of 3555449648099 in words is "three trillion, five hundred fifty-five billion, four hundred forty-nine million, six hundred forty-eight thousand, ninety-nine".