44444012134421 has 2 divisors, whose sum is σ = 44444012134422. Its totient is φ = 44444012134420.

The previous prime is 44444012134369. The next prime is 44444012134493. The reversal of 44444012134421 is 12443121044444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32369158572100 + 12074853562321 = 5689390^2 + 3474889^2 .

It is a cyclic number.

It is not a de Polignac number, because 44444012134421 - 2²² = 44444007940117 is a prime.

It is a super-2 number, since 2×44444012134421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44444012134021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22222006067210 + 22222006067211.

It is an arithmetic number, because the mean of its divisors is an integer number (22222006067211).

Almost surely, 2^{44444012134421} is an apocalyptic number.

It is an amenable number.

44444012134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44444012134421 is an equidigital number, since it uses as much as digits as its factorization.

44444012134421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 44444012134421 its reverse (12443121044444), we get a palindrome (56887133178865).

The spelling of 44444012134421 in words is "forty-four trillion, four hundred forty-four billion, twelve million, one hundred thirty-four thousand, four hundred twenty-one".