431110126609 has 2 divisors, whose sum is σ = 431110126610. Its totient is φ = 431110126608.

The previous prime is 431110126537. The next prime is 431110126639. The reversal of 431110126609 is 906621011134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286542878209 + 144567248400 = 535297^2 + 380220^2 .

It is a cyclic number.

It is not a de Polignac number, because 431110126609 - 2³¹ = 428962642961 is a prime.

It is not a weakly prime, because it can be changed into another prime (431110126639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215555063304 + 215555063305.

It is an arithmetic number, because the mean of its divisors is an integer number (215555063305).

Almost surely, 2^431110126609 is an apocalyptic number.

It is an amenable number.

431110126609 is a deficient number, since it is larger than the sum of its proper divisors (1).

431110126609 is an equidigital number, since it uses as much as digits as its factorization.

431110126609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 431110126609 in words is "four hundred thirty-one billion, one hundred ten million, one hundred twenty-six thousand, six hundred nine".