244928979409 has 3 divisors (see below), whose sum is σ = 244929474313. Its totient is φ = 244928484506.

The previous prime is 244928979343. The next prime is 244928979419. The reversal of 244928979409 is 904979829442.

The square root of 244928979409 is 494903.

It is a perfect power (a square), and thus also a powerful number.

244928979409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-244928979409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244928979419) 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 2 ways as a sum of consecutive naturals, for example, 247452 + ... + 742354.

Almost surely, 2^244928979409 is an apocalyptic number.

244928979409 is the 494903-rd square number.

244928979409 is the 247452-nd centered octagonal number.

It is an amenable number.

244928979409 is a deficient number, since it is larger than the sum of its proper divisors (494904).

244928979409 is an frugal number, since it uses more digits than its factorization.

244928979409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989806 (or 494903 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 244928979409 in words is "two hundred forty-four billion, nine hundred twenty-eight million, nine hundred seventy-nine thousand, four hundred nine".