431264214532009 has 2 divisors, whose sum is σ = 431264214532010. Its totient is φ = 431264214532008.

The previous prime is 431264214531973. The next prime is 431264214532033. The reversal of 431264214532009 is 900235412462134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342679223490409 + 88584991041600 = 18511597^2 + 9411960^2 .

It is a cyclic number.

It is not a de Polignac number, because 431264214532009 - 2¹⁹ = 431264214007721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431264214532009.

It is not a weakly prime, because it can be changed into another prime (431264214532049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215632107266004 + 215632107266005.

It is an arithmetic number, because the mean of its divisors is an integer number (215632107266005).

Almost surely, 2^{431264214532009} is an apocalyptic number.

It is an amenable number.

431264214532009 is a deficient number, since it is larger than the sum of its proper divisors (1).

431264214532009 is an equidigital number, since it uses as much as digits as its factorization.

431264214532009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 431264214532009 in words is "four hundred thirty-one trillion, two hundred sixty-four billion, two hundred fourteen million, five hundred thirty-two thousand, nine".