436030989389 has 2 divisors, whose sum is σ = 436030989390. Its totient is φ = 436030989388.

The previous prime is 436030989377. The next prime is 436030989437. The reversal of 436030989389 is 983989030634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434632977289 + 1398012100 = 659267^2 + 37390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-436030989389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (436030989689) 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, 218015494694 + 218015494695.

It is an arithmetic number, because the mean of its divisors is an integer number (218015494695).

Almost surely, 2^436030989389 is an apocalyptic number.

It is an amenable number.

436030989389 is a deficient number, since it is larger than the sum of its proper divisors (1).

436030989389 is an equidigital number, since it uses as much as digits as its factorization.

436030989389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30233088, while the sum is 62.

The spelling of 436030989389 in words is "four hundred thirty-six billion, thirty million, nine hundred eighty-nine thousand, three hundred eighty-nine".