6550959449 has 4 divisors (see below), whose sum is σ = 6661992720. Its totient is φ = 6439926180.

The previous prime is 6550959431. The next prime is 6550959461. The reversal of 6550959449 is 9449590556.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6550959449 - 2²⁸ = 6282523993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6550959394 and 6550959403.

It is not an unprimeable number, because it can be changed into a prime (6550959749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55516547 + ... + 55516664.

It is an arithmetic number, because the mean of its divisors is an integer number (1665498180).

Almost surely, 2^6550959449 is an apocalyptic number.

It is an amenable number.

6550959449 is a deficient number, since it is larger than the sum of its proper divisors (111033271).

6550959449 is a wasteful number, since it uses less digits than its factorization.

6550959449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111033270.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The square root of 6550959449 is about 80937.9975598606. The cubic root of 6550959449 is about 1871.1199834729.

The spelling of 6550959449 in words is "six billion, five hundred fifty million, nine hundred fifty-nine thousand, four hundred forty-nine".