49712117609 has 16 divisors (see below), whose sum is σ = 62011529856. Its totient is φ = 38716224000.

The previous prime is 49712117549. The next prime is 49712117629. The reversal of 49712117609 is 90671121794.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49712117609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49712117629) 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 15 ways as a sum of consecutive naturals, for example, 23432 + ... + 316185.

It is an arithmetic number, because the mean of its divisors is an integer number (3875720616).

Almost surely, 2^49712117609 is an apocalyptic number.

It is an amenable number.

49712117609 is a deficient number, since it is larger than the sum of its proper divisors (12299412247).

49712117609 is a wasteful number, since it uses less digits than its factorization.

49712117609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341536.

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 49712117609 in words is "forty-nine billion, seven hundred twelve million, one hundred seventeen thousand, six hundred nine".