49413567409 has 4 divisors (see below), whose sum is σ = 49414700916. Its totient is φ = 49412433904.

The previous prime is 49413567403. The next prime is 49413567431. The reversal of 49413567409 is 90476531494.

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 981882225 + 48431685184 = 31335^2 + 220072^2 .

It is a cyclic number.

It is not a de Polignac number, because 49413567409 - 2²⁹ = 48876696497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49413567403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498634 + ... + 589459.

It is an arithmetic number, because the mean of its divisors is an integer number (12353675229).

Almost surely, 2^49413567409 is an apocalyptic number.

It is an amenable number.

49413567409 is a deficient number, since it is larger than the sum of its proper divisors (1133507).

49413567409 is a wasteful number, since it uses less digits than its factorization.

49413567409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133506.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 49413567409 in words is "forty-nine billion, four hundred thirteen million, five hundred sixty-seven thousand, four hundred nine".