49424563565 has 32 divisors (see below), whose sum is σ = 65388508416. Its totient is φ = 35632235520.

The previous prime is 49424563537. The next prime is 49424563577. The reversal of 49424563565 is 56536542494.

It is not a de Polignac number, because 49424563565 - 2³⁰ = 48350821741 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 10258037 + ... + 10262853.

It is an arithmetic number, because the mean of its divisors is an integer number (2043390888).

Almost surely, 2^49424563565 is an apocalyptic number.

It is an amenable number.

49424563565 is a deficient number, since it is larger than the sum of its proper divisors (15963944851).

49424563565 is a wasteful number, since it uses less digits than its factorization.

49424563565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549.

The product of its digits is 15552000, while the sum is 53.

The spelling of 49424563565 in words is "forty-nine billion, four hundred twenty-four million, five hundred sixty-three thousand, five hundred sixty-five".