249348283238 has 32 divisors (see below), whose sum is σ = 391411948032. Its totient is φ = 118909296000.

The previous prime is 249348283237. The next prime is 249348283253. The reversal of 249348283238 is 832382843942.

249348283238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×249348283238³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249348283237) 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 15 ways as a sum of consecutive naturals, for example, 56784023 + ... + 56788413.

It is an arithmetic number, because the mean of its divisors is an integer number (12231623376).

Almost surely, 2^249348283238 is an apocalyptic number.

249348283238 is a deficient number, since it is larger than the sum of its proper divisors (142063664794).

249348283238 is a wasteful number, since it uses less digits than its factorization.

249348283238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700.

The product of its digits is 15925248, while the sum is 56.

The spelling of 249348283238 in words is "two hundred forty-nine billion, three hundred forty-eight million, two hundred eighty-three thousand, two hundred thirty-eight".