44455164009643 has 2 divisors, whose sum is σ = 44455164009644. Its totient is φ = 44455164009642.

The previous prime is 44455164009637. The next prime is 44455164009647. The reversal of 44455164009643 is 34690046155444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44455164009643 is a prime.

It is not a weakly prime, because it can be changed into another prime (44455164009647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22227582004821 + 22227582004822.

It is an arithmetic number, because the mean of its divisors is an integer number (22227582004822).

Almost surely, 2^{44455164009643} is an apocalyptic number.

44455164009643 is a deficient number, since it is larger than the sum of its proper divisors (1).

44455164009643 is an equidigital number, since it uses as much as digits as its factorization.

44455164009643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24883200, while the sum is 55.

The spelling of 44455164009643 in words is "forty-four trillion, four hundred fifty-five billion, one hundred sixty-four million, nine thousand, six hundred forty-three".