44502838421 has 2 divisors, whose sum is σ = 44502838422. Its totient is φ = 44502838420.

The previous prime is 44502838417. The next prime is 44502838439. The reversal of 44502838421 is 12483820544.

It is a happy number.

44502838421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44346463396 + 156375025 = 210586^2 + 12505^2 .

It is a cyclic number.

It is not a de Polignac number, because 44502838421 - 2² = 44502838417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44502838921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22251419210 + 22251419211.

It is an arithmetic number, because the mean of its divisors is an integer number (22251419211).

Almost surely, 2^44502838421 is an apocalyptic number.

It is an amenable number.

44502838421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44502838421 is an equidigital number, since it uses as much as digits as its factorization.

44502838421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 44502838421 in words is "forty-four billion, five hundred two million, eight hundred thirty-eight thousand, four hundred twenty-one".