8408950549 has 4 divisors (see below), whose sum is σ = 8420059564. Its totient is φ = 8397841536.

The previous prime is 8408950541. The next prime is 8408950553. The reversal of 8408950549 is 9450598048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2388276900 + 6020673649 = 48870^2 + 77593^2 .

It is a cyclic number.

It is not a de Polignac number, because 8408950549 - 2³ = 8408950541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8408950496 and 8408950505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8408950541) 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, 5553372 + ... + 5554885.

It is an arithmetic number, because the mean of its divisors is an integer number (2105014891).

Almost surely, 2^8408950549 is an apocalyptic number.

It is an amenable number.

8408950549 is a deficient number, since it is larger than the sum of its proper divisors (11109015).

8408950549 is a wasteful number, since it uses less digits than its factorization.

8408950549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109014.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 8408950549 is about 91700.3301466249. The cubic root of 8408950549 is about 2033.5144657028.

The spelling of 8408950549 in words is "eight billion, four hundred eight million, nine hundred fifty thousand, five hundred forty-nine".