249388000027 has 8 divisors (see below), whose sum is σ = 257814406080. Its totient is φ = 241073202240.

The previous prime is 249387999997. The next prime is 249388000051. The reversal of 249388000027 is 720000883942.

It is a happy number.

249388000027 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 a de Polignac number, because none of the positive numbers 2^k-249388000027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249388007027) 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, 27897523 + ... + 27906460.

It is an arithmetic number, because the mean of its divisors is an integer number (32226800760).

Almost surely, 2^249388000027 is an apocalyptic number.

249388000027 is a deficient number, since it is larger than the sum of its proper divisors (8426406053).

249388000027 is a wasteful number, since it uses less digits than its factorization.

249388000027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55804133.

The product of its (nonzero) digits is 193536, while the sum is 43.

Adding to 249388000027 its reverse (720000883942), we get a palindrome (969388883969).

The spelling of 249388000027 in words is "two hundred forty-nine billion, three hundred eighty-eight million, twenty-seven", and thus it is an aban number.