44918210321 has 2 divisors, whose sum is σ = 44918210322. Its totient is φ = 44918210320.

The previous prime is 44918210297. The next prime is 44918210369. The reversal of 44918210321 is 12301281944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33879556096 + 11038654225 = 184064^2 + 105065^2 .

It is a cyclic number.

It is not a de Polignac number, because 44918210321 - 2⁶ = 44918210257 is a prime.

It is not a weakly prime, because it can be changed into another prime (44918210221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22459105160 + 22459105161.

It is an arithmetic number, because the mean of its divisors is an integer number (22459105161).

Almost surely, 2^44918210321 is an apocalyptic number.

It is an amenable number.

44918210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

44918210321 is an equidigital number, since it uses as much as digits as its factorization.

44918210321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 44918210321 in words is "forty-four billion, nine hundred eighteen million, two hundred ten thousand, three hundred twenty-one".