49628368609 has 4 divisors (see below), whose sum is σ = 49630522516. Its totient is φ = 49626214704.

The previous prime is 49628368571. The next prime is 49628368631. The reversal of 49628368609 is 90686382694.

49628368609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5528368609 + 44100000000 = 74353^2 + 210000^2 .

It is a cyclic number.

It is not a de Polignac number, because 49628368609 - 2²⁵ = 49594814177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49628368649) 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, 1042014 + ... + 1088599.

It is an arithmetic number, because the mean of its divisors is an integer number (12407630629).

Almost surely, 2^49628368609 is an apocalyptic number.

It is an amenable number.

49628368609 is a deficient number, since it is larger than the sum of its proper divisors (2153907).

49628368609 is a wasteful number, since it uses less digits than its factorization.

49628368609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153906.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 49628368609 in words is "forty-nine billion, six hundred twenty-eight million, three hundred sixty-eight thousand, six hundred nine".