44114429981 has 2 divisors, whose sum is σ = 44114429982. Its totient is φ = 44114429980.

The previous prime is 44114429941. The next prime is 44114430013. The reversal of 44114429981 is 18992441144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38592602500 + 5521827481 = 196450^2 + 74309^2 .

It is a cyclic number.

It is not a de Polignac number, because 44114429981 - 2⁶ = 44114429917 is a prime.

It is a super-2 number, since 2×44114429981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44114429911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22057214990 + 22057214991.

It is an arithmetic number, because the mean of its divisors is an integer number (22057214991).

Almost surely, 2^44114429981 is an apocalyptic number.

It is an amenable number.

44114429981 is a deficient number, since it is larger than the sum of its proper divisors (1).

44114429981 is an equidigital number, since it uses as much as digits as its factorization.

44114429981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The spelling of 44114429981 in words is "forty-four billion, one hundred fourteen million, four hundred twenty-nine thousand, nine hundred eighty-one".