44491444320143 has 2 divisors, whose sum is σ = 44491444320144. Its totient is φ = 44491444320142.

The previous prime is 44491444320131. The next prime is 44491444320173. The reversal of 44491444320143 is 34102344419444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44491444320143 - 2²⁰ = 44491443271567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44491444320173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22245722160071 + 22245722160072.

It is an arithmetic number, because the mean of its divisors is an integer number (22245722160072).

Almost surely, 2^{44491444320143} is an apocalyptic number.

44491444320143 is a deficient number, since it is larger than the sum of its proper divisors (1).

44491444320143 is an equidigital number, since it uses as much as digits as its factorization.

44491444320143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2654208, while the sum is 47.

Adding to 44491444320143 its reverse (34102344419444), we get a palindrome (78593788739587).

The spelling of 44491444320143 in words is "forty-four trillion, four hundred ninety-one billion, four hundred forty-four million, three hundred twenty thousand, one hundred forty-three".