44377428539243 has 2 divisors, whose sum is σ = 44377428539244. Its totient is φ = 44377428539242.

The previous prime is 44377428539233. The next prime is 44377428539251. The reversal of 44377428539243 is 34293582477344.

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-44377428539243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44377428539243.

It is not a weakly prime, because it can be changed into another prime (44377428539233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22188714269621 + 22188714269622.

It is an arithmetic number, because the mean of its divisors is an integer number (22188714269622).

Almost surely, 2^{44377428539243} is an apocalyptic number.

44377428539243 is a deficient number, since it is larger than the sum of its proper divisors (1).

44377428539243 is an equidigital number, since it uses as much as digits as its factorization.

44377428539243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 487710720, while the sum is 65.

The spelling of 44377428539243 in words is "forty-four trillion, three hundred seventy-seven billion, four hundred twenty-eight million, five hundred thirty-nine thousand, two hundred forty-three".