44643034649 has 2 divisors, whose sum is σ = 44643034650. Its totient is φ = 44643034648.

The previous prime is 44643034591. The next prime is 44643034651. The reversal of 44643034649 is 94643034644.

44643034649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40435177225 + 4207857424 = 201085^2 + 64868^2 .

It is a cyclic number.

It is not a de Polignac number, because 44643034649 - 2⁸ = 44643034393 is a prime.

Together with 44643034651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44643034669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22321517324 + 22321517325.

It is an arithmetic number, because the mean of its divisors is an integer number (22321517325).

Almost surely, 2^44643034649 is an apocalyptic number.

It is an amenable number.

44643034649 is a deficient number, since it is larger than the sum of its proper divisors (1).

44643034649 is an equidigital number, since it uses as much as digits as its factorization.

44643034649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 44643034649 in words is "forty-four billion, six hundred forty-three million, thirty-four thousand, six hundred forty-nine".