44404343437 has 2 divisors, whose sum is σ = 44404343438. Its totient is φ = 44404343436.

The previous prime is 44404343419. The next prime is 44404343479. The reversal of 44404343437 is 73434340444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43622917321 + 781426116 = 208861^2 + 27954^2 .

It is a cyclic number.

It is not a de Polignac number, because 44404343437 - 2¹⁹ = 44403819149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44404343437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44404343497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22202171718 + 22202171719.

It is an arithmetic number, because the mean of its divisors is an integer number (22202171719).

Almost surely, 2^44404343437 is an apocalyptic number.

It is an amenable number.

44404343437 is a deficient number, since it is larger than the sum of its proper divisors (1).

44404343437 is an equidigital number, since it uses as much as digits as its factorization.

44404343437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 40.

The spelling of 44404343437 in words is "forty-four billion, four hundred four million, three hundred forty-three thousand, four hundred thirty-seven".