144832693909 has 2 divisors, whose sum is σ = 144832693910. Its totient is φ = 144832693908.

The previous prime is 144832693891. The next prime is 144832693919. The reversal of 144832693909 is 909396238441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88314763684 + 56517930225 = 297178^2 + 237735^2 .

It is a cyclic number.

It is not a de Polignac number, because 144832693909 - 2¹⁷ = 144832562837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144832693919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72416346954 + 72416346955.

It is an arithmetic number, because the mean of its divisors is an integer number (72416346955).

Almost surely, 2^144832693909 is an apocalyptic number.

It is an amenable number.

144832693909 is a deficient number, since it is larger than the sum of its proper divisors (1).

144832693909 is an equidigital number, since it uses as much as digits as its factorization.

144832693909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 144832693909 in words is "one hundred forty-four billion, eight hundred thirty-two million, six hundred ninety-three thousand, nine hundred nine".