44437404437 has 2 divisors, whose sum is σ = 44437404438. Its totient is φ = 44437404436.

The previous prime is 44437404409. The next prime is 44437404493. The reversal of 44437404437 is 73440473444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28157175601 + 16280228836 = 167801^2 + 127594^2 .

It is a cyclic number.

It is not a de Polignac number, because 44437404437 - 2¹⁶ = 44437338901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44437454437) 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, 22218702218 + 22218702219.

It is an arithmetic number, because the mean of its divisors is an integer number (22218702219).

Almost surely, 2^44437404437 is an apocalyptic number.

It is an amenable number.

44437404437 is a deficient number, since it is larger than the sum of its proper divisors (1).

44437404437 is an equidigital number, since it uses as much as digits as its factorization.

44437404437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 44.

The spelling of 44437404437 in words is "forty-four billion, four hundred thirty-seven million, four hundred four thousand, four hundred thirty-seven".