44268456989 has 2 divisors, whose sum is σ = 44268456990. Its totient is φ = 44268456988.

The previous prime is 44268456913. The next prime is 44268457001. The reversal of 44268456989 is 98965486244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38051134489 + 6217322500 = 195067^2 + 78850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44268456989 is a prime.

It is a super-2 number, since 2×44268456989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44268456389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22134228494 + 22134228495.

It is an arithmetic number, because the mean of its divisors is an integer number (22134228495).

Almost surely, 2^44268456989 is an apocalyptic number.

It is an amenable number.

44268456989 is a deficient number, since it is larger than the sum of its proper divisors (1).

44268456989 is an equidigital number, since it uses as much as digits as its factorization.

44268456989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 65.

The spelling of 44268456989 in words is "forty-four billion, two hundred sixty-eight million, four hundred fifty-six thousand, nine hundred eighty-nine".