44312191243 has 2 divisors, whose sum is σ = 44312191244. Its totient is φ = 44312191242.

The previous prime is 44312191241. The next prime is 44312191249. The reversal of 44312191243 is 34219121344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44312191243 - 2¹ = 44312191241 is a prime.

Together with 44312191241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 44312191199 and 44312191208.

It is not a weakly prime, because it can be changed into another prime (44312191241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22156095621 + 22156095622.

It is an arithmetic number, because the mean of its divisors is an integer number (22156095622).

Almost surely, 2^44312191243 is an apocalyptic number.

44312191243 is a deficient number, since it is larger than the sum of its proper divisors (1).

44312191243 is an equidigital number, since it uses as much as digits as its factorization.

44312191243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The spelling of 44312191243 in words is "forty-four billion, three hundred twelve million, one hundred ninety-one thousand, two hundred forty-three".