49061219809 has 8 divisors (see below), whose sum is σ = 56272386368. Its totient is φ = 41900658480.

The previous prime is 49061219791. The next prime is 49061219839. The reversal of 49061219809 is 90891216094.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49061219809 - 2³¹ = 46913736161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49061219839) 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 7 ways as a sum of consecutive naturals, for example, 12649227 + ... + 12653104.

It is an arithmetic number, because the mean of its divisors is an integer number (7034048296).

Almost surely, 2^49061219809 is an apocalyptic number.

It is an amenable number.

49061219809 is a deficient number, since it is larger than the sum of its proper divisors (7211166559).

49061219809 is a wasteful number, since it uses less digits than its factorization.

49061219809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302615.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 49061219809 in words is "forty-nine billion, sixty-one million, two hundred nineteen thousand, eight hundred nine".