49491717966 has 24 divisors (see below), whose sum is σ = 107394308424. Its totient is φ = 16472277360.

The previous prime is 49491717941. The next prime is 49491717973. The reversal of 49491717966 is 66971719494.

49491717966 is a `hidden beast` number, since 4 + 9 + 491 + 71 + 79 + 6 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2067936 + ... + 2091731.

It is an arithmetic number, because the mean of its divisors is an integer number (4474762851).

Almost surely, 2^49491717966 is an apocalyptic number.

49491717966 is an abundant number, since it is smaller than the sum of its proper divisors (57902590458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49491717966 is a wasteful number, since it uses less digits than its factorization.

49491717966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160336 (or 4160333 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 49491717966 in words is "forty-nine billion, four hundred ninety-one million, seven hundred seventeen thousand, nine hundred sixty-six".