49828428391 has 16 divisors (see below), whose sum is σ = 60326026560. Its totient is φ = 40178096640.

The previous prime is 49828428383. The next prime is 49828428427. The reversal of 49828428391 is 19382482894.

It is a happy number.

49828428391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49828428391 - 2³ = 49828428383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49828428311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145021 + ... + 347401.

It is an arithmetic number, because the mean of its divisors is an integer number (3770376660).

Almost surely, 2^49828428391 is an apocalyptic number.

49828428391 is a deficient number, since it is larger than the sum of its proper divisors (10497598169).

49828428391 is a wasteful number, since it uses less digits than its factorization.

49828428391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204474.

The product of its digits is 7962624, while the sum is 58.

The spelling of 49828428391 in words is "forty-nine billion, eight hundred twenty-eight million, four hundred twenty-eight thousand, three hundred ninety-one".