408231144329 has 2 divisors, whose sum is σ = 408231144330. Its totient is φ = 408231144328.

The previous prime is 408231144311. The next prime is 408231144341. The reversal of 408231144329 is 923441132804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264866681104 + 143364463225 = 514652^2 + 378635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408231144329 is a prime.

It is not a weakly prime, because it can be changed into another prime (408231144389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204115572164 + 204115572165.

It is an arithmetic number, because the mean of its divisors is an integer number (204115572165).

Almost surely, 2^408231144329 is an apocalyptic number.

It is an amenable number.

408231144329 is a deficient number, since it is larger than the sum of its proper divisors (1).

408231144329 is an equidigital number, since it uses as much as digits as its factorization.

408231144329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 408231144329 in words is "four hundred eight billion, two hundred thirty-one million, one hundred forty-four thousand, three hundred twenty-nine".