44148258641 has 2 divisors, whose sum is σ = 44148258642. Its totient is φ = 44148258640.

The previous prime is 44148258619. The next prime is 44148258683. The reversal of 44148258641 is 14685284144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37411296400 + 6736962241 = 193420^2 + 82079^2 .

It is a cyclic number.

It is not a de Polignac number, because 44148258641 - 2²² = 44144064337 is a prime.

It is not a weakly prime, because it can be changed into another prime (44148257641) 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, 22074129320 + 22074129321.

It is an arithmetic number, because the mean of its divisors is an integer number (22074129321).

Almost surely, 2^44148258641 is an apocalyptic number.

It is an amenable number.

44148258641 is a deficient number, since it is larger than the sum of its proper divisors (1).

44148258641 is an equidigital number, since it uses as much as digits as its factorization.

44148258641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 983040, while the sum is 47.

The spelling of 44148258641 in words is "forty-four billion, one hundred forty-eight million, two hundred fifty-eight thousand, six hundred forty-one".