44431055013437 has 2 divisors, whose sum is σ = 44431055013438. Its totient is φ = 44431055013436.

The previous prime is 44431055013383. The next prime is 44431055013463. The reversal of 44431055013437 is 73431055013444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39441992241796 + 4989062771641 = 6280286^2 + 2233621^2 .

It is a cyclic number.

It is not a de Polignac number, because 44431055013437 - 2²⁰ = 44431053964861 is a prime.

It is a super-3 number, since 3×44431055013437³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44431055013467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22215527506718 + 22215527506719.

It is an arithmetic number, because the mean of its divisors is an integer number (22215527506719).

Almost surely, 2^{44431055013437} is an apocalyptic number.

It is an amenable number.

44431055013437 is a deficient number, since it is larger than the sum of its proper divisors (1).

44431055013437 is an equidigital number, since it uses as much as digits as its factorization.

44431055013437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 44431055013437 in words is "forty-four trillion, four hundred thirty-one billion, fifty-five million, thirteen thousand, four hundred thirty-seven".