431411043209 has 2 divisors, whose sum is σ = 431411043210. Its totient is φ = 431411043208.

The previous prime is 431411043191. The next prime is 431411043223. The reversal of 431411043209 is 902340114134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374211145984 + 57199897225 = 611728^2 + 239165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431411043209 is a prime.

It is a super-2 number, since 2×431411043209² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431411043109) 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, 215705521604 + 215705521605.

It is an arithmetic number, because the mean of its divisors is an integer number (215705521605).

Almost surely, 2^431411043209 is an apocalyptic number.

It is an amenable number.

431411043209 is a deficient number, since it is larger than the sum of its proper divisors (1).

431411043209 is an equidigital number, since it uses as much as digits as its factorization.

431411043209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 431411043209 in words is "four hundred thirty-one billion, four hundred eleven million, forty-three thousand, two hundred nine".