244972828421 has 16 divisors (see below), whose sum is σ = 261270609600. Its totient is φ = 229035081600.

The previous prime is 244972828333. The next prime is 244972828423. The reversal of 244972828421 is 124828279442.

It is a cyclic number.

It is not a de Polignac number, because 244972828421 - 2¹⁸ = 244972566277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244972828423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178625 + ... + 722393.

It is an arithmetic number, because the mean of its divisors is an integer number (16329413100).

Almost surely, 2^244972828421 is an apocalyptic number.

It is an amenable number.

244972828421 is a deficient number, since it is larger than the sum of its proper divisors (16297781179).

244972828421 is a wasteful number, since it uses less digits than its factorization.

244972828421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544100.

The product of its digits is 4128768, while the sum is 53.

The spelling of 244972828421 in words is "two hundred forty-four billion, nine hundred seventy-two million, eight hundred twenty-eight thousand, four hundred twenty-one".