49424563816 has 16 divisors (see below), whose sum is σ = 95866611300. Its totient is φ = 23860134144.

The previous prime is 49424563813. The next prime is 49424563843. The reversal of 49424563816 is 61836542494.

It can be written as a sum of positive squares in 2 ways, for example, as 45987086916 + 3437476900 = 214446^2 + 58630^2 .

It is not an unprimeable number, because it can be changed into a prime (49424563813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106518225 + ... + 106518688.

Almost surely, 2^49424563816 is an apocalyptic number.

It is an amenable number.

49424563816 is a deficient number, since it is larger than the sum of its proper divisors (46442047484).

49424563816 is a wasteful number, since it uses less digits than its factorization.

49424563816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213036948 (or 213036944 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The spelling of 49424563816 in words is "forty-nine billion, four hundred twenty-four million, five hundred sixty-three thousand, eight hundred sixteen".