49660512909 has 64 divisors (see below), whose sum is σ = 77669695488. Its totient is φ = 27639532800.

The previous prime is 49660512827. The next prime is 49660512911. The reversal of 49660512909 is 90921506694.

It is not a de Polignac number, because 49660512909 - 2⁸ = 49660512653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49660512989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75129039 + ... + 75129699.

It is an arithmetic number, because the mean of its divisors is an integer number (1213588992).

Almost surely, 2^49660512909 is an apocalyptic number.

It is an amenable number.

49660512909 is a deficient number, since it is larger than the sum of its proper divisors (28009182579).

49660512909 is a wasteful number, since it uses less digits than its factorization.

49660512909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 49660512909 in words is "forty-nine billion, six hundred sixty million, five hundred twelve thousand, nine hundred nine".