249183125428 has 12 divisors (see below), whose sum is σ = 436077647460. Its totient is φ = 124589511872.

The previous prime is 249183125417. The next prime is 249183125467. The reversal of 249183125428 is 824521381942.

249183125428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 232813970064 + 16369155364 = 482508^2 + 127942^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220873 + ... + 739696.

It is an arithmetic number, because the mean of its divisors is an integer number (36339803955).

Almost surely, 2^249183125428 is an apocalyptic number.

It is an amenable number.

249183125428 is a deficient number, since it is larger than the sum of its proper divisors (186894522032).

249183125428 is a wasteful number, since it uses less digits than its factorization.

249183125428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025426 (or 1025424 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The spelling of 249183125428 in words is "two hundred forty-nine billion, one hundred eighty-three million, one hundred twenty-five thousand, four hundred twenty-eight".