49517797009 has 8 divisors (see below), whose sum is σ = 50232028392. Its totient is φ = 48808408320.

The previous prime is 49517797001. The next prime is 49517797019. The reversal of 49517797009 is 90079771594.

It can be written as a sum of positive squares in 4 ways, for example, as 9030320784 + 40487476225 = 95028^2 + 201215^2 .

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 49517797009 - 2³ = 49517797001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49517797001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190074 + ... + 1230979.

It is an arithmetic number, because the mean of its divisors is an integer number (6279003549).

Almost surely, 2^49517797009 is an apocalyptic number.

It is an amenable number.

49517797009 is a deficient number, since it is larger than the sum of its proper divisors (714231383).

49517797009 is a wasteful number, since it uses less digits than its factorization.

49517797009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421347.

The product of its (nonzero) digits is 5000940, while the sum is 58.

The spelling of 49517797009 in words is "forty-nine billion, five hundred seventeen million, seven hundred ninety-seven thousand, nine".