249144444493 has 8 divisors (see below), whose sum is σ = 288746881920. Its totient is φ = 210544600560.

The previous prime is 249144444491. The next prime is 249144444589. The reversal of 249144444493 is 394444441942.

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

It is not a de Polignac number, because 249144444493 - 2¹ = 249144444491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249144444493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249144444491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250647838 + ... + 250648831.

It is an arithmetic number, because the mean of its divisors is an integer number (36093360240).

Almost surely, 2^249144444493 is an apocalyptic number.

It is an amenable number.

249144444493 is a deficient number, since it is larger than the sum of its proper divisors (39602437427).

249144444493 is an equidigital number, since it uses as much as digits as its factorization.

249144444493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501296747.

The product of its digits is 7962624, while the sum is 52.

The spelling of 249144444493 in words is "two hundred forty-nine billion, one hundred forty-four million, four hundred forty-four thousand, four hundred ninety-three".