249348283221 has 8 divisors (see below), whose sum is σ = 337146974784. Its totient is φ = 163890890240.

The previous prime is 249348283213. The next prime is 249348283237. The reversal of 249348283221 is 122382843942.

249348283221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 249348283221 - 2³ = 249348283213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249348283271) 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, 585324396 + ... + 585324821.

It is an arithmetic number, because the mean of its divisors is an integer number (42143371848).

Almost surely, 2^249348283221 is an apocalyptic number.

It is an amenable number.

249348283221 is a deficient number, since it is larger than the sum of its proper divisors (87798691563).

249348283221 is a wasteful number, since it uses less digits than its factorization.

249348283221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170649291.

The product of its digits is 1327104, while the sum is 48.

The spelling of 249348283221 in words is "two hundred forty-nine billion, three hundred forty-eight million, two hundred eighty-three thousand, two hundred twenty-one".