49864554745 has 8 divisors (see below), whose sum is σ = 61900826760. Its totient is φ = 38516069760.

The previous prime is 49864554743. The next prime is 49864554749. The reversal of 49864554745 is 54745546894.

It can be written as a sum of positive squares in 4 ways, for example, as 892635129 + 48971919616 = 29877^2 + 221296^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49864554745 - 2¹ = 49864554743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49864554743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171946596 + ... + 171946885.

It is an arithmetic number, because the mean of its divisors is an integer number (7737603345).

Almost surely, 2^49864554745 is an apocalyptic number.

It is an amenable number.

49864554745 is a deficient number, since it is larger than the sum of its proper divisors (12036272015).

49864554745 is a wasteful number, since it uses less digits than its factorization.

49864554745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343893515.

The product of its digits is 96768000, while the sum is 61.

The spelling of 49864554745 in words is "forty-nine billion, eight hundred sixty-four million, five hundred fifty-four thousand, seven hundred forty-five".