431044134539 has 2 divisors, whose sum is σ = 431044134540. Its totient is φ = 431044134538.

The previous prime is 431044134533. The next prime is 431044134583. The reversal of 431044134539 is 935431440134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431044134539 - 2¹⁶ = 431044069003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431044134496 and 431044134505.

It is not a weakly prime, because it can be changed into another prime (431044134533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215522067269 + 215522067270.

It is an arithmetic number, because the mean of its divisors is an integer number (215522067270).

Almost surely, 2^431044134539 is an apocalyptic number.

431044134539 is a deficient number, since it is larger than the sum of its proper divisors (1).

431044134539 is an equidigital number, since it uses as much as digits as its factorization.

431044134539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 431044134539 in words is "four hundred thirty-one billion, forty-four million, one hundred thirty-four thousand, five hundred thirty-nine".