44398457563 has 2 divisors, whose sum is σ = 44398457564. Its totient is φ = 44398457562.

The previous prime is 44398457561. The next prime is 44398457599. The reversal of 44398457563 is 36575489344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44398457563 - 2¹ = 44398457561 is a prime.

Together with 44398457561, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 44398457498 and 44398457507.

It is not a weakly prime, because it can be changed into another prime (44398457561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199228781 + 22199228782.

It is an arithmetic number, because the mean of its divisors is an integer number (22199228782).

Almost surely, 2^44398457563 is an apocalyptic number.

44398457563 is a deficient number, since it is larger than the sum of its proper divisors (1).

44398457563 is an equidigital number, since it uses as much as digits as its factorization.

44398457563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 58.

The spelling of 44398457563 in words is "forty-four billion, three hundred ninety-eight million, four hundred fifty-seven thousand, five hundred sixty-three".