244170357421 has 8 divisors (see below), whose sum is σ = 244990785600. Its totient is φ = 243351306432.

The previous prime is 244170357401. The next prime is 244170357443. The reversal of 244170357421 is 124753071442.

It is a happy number.

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 244170357421 - 2¹⁹ = 244169833133 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 (244170357401) 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, 11506 + ... + 698908.

It is an arithmetic number, because the mean of its divisors is an integer number (30623848200).

Almost surely, 2^244170357421 is an apocalyptic number.

It is an amenable number.

244170357421 is a deficient number, since it is larger than the sum of its proper divisors (820428179).

244170357421 is an equidigital number, since it uses as much as digits as its factorization.

244170357421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688595.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 244170357421 in words is "two hundred forty-four billion, one hundred seventy million, three hundred fifty-seven thousand, four hundred twenty-one".