49291662817 has 16 divisors (see below), whose sum is σ = 52137043200. Its totient is φ = 46471950720.

The previous prime is 49291662793. The next prime is 49291662857. The reversal of 49291662817 is 71826619294.

It is a cyclic number.

It is not a de Polignac number, because 49291662817 - 2³¹ = 47144179169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49291662857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3341943 + ... + 3356659.

It is an arithmetic number, because the mean of its divisors is an integer number (3258565200).

Almost surely, 2^49291662817 is an apocalyptic number.

It is an amenable number.

49291662817 is a deficient number, since it is larger than the sum of its proper divisors (2845380383).

49291662817 is a wasteful number, since it uses less digits than its factorization.

49291662817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15576.

The product of its digits is 2612736, while the sum is 55.

The spelling of 49291662817 in words is "forty-nine billion, two hundred ninety-one million, six hundred sixty-two thousand, eight hundred seventeen".