44294430279821 has 2 divisors, whose sum is σ = 44294430279822. Its totient is φ = 44294430279820.

The previous prime is 44294430279793. The next prime is 44294430279829. The reversal of 44294430279821 is 12897203449244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38229662124196 + 6064768155625 = 6183014^2 + 2462675^2 .

It is a cyclic number.

It is not a de Polignac number, because 44294430279821 - 2¹⁰ = 44294430278797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44294430279829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22147215139910 + 22147215139911.

It is an arithmetic number, because the mean of its divisors is an integer number (22147215139911).

Almost surely, 2^{44294430279821} is an apocalyptic number.

It is an amenable number.

44294430279821 is a deficient number, since it is larger than the sum of its proper divisors (1).

44294430279821 is an equidigital number, since it uses as much as digits as its factorization.

44294430279821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 44294430279821 in words is "forty-four trillion, two hundred ninety-four billion, four hundred thirty million, two hundred seventy-nine thousand, eight hundred twenty-one".