16432363637489 has 2 divisors, whose sum is σ = 16432363637490. Its totient is φ = 16432363637488.

The previous prime is 16432363637479. The next prime is 16432363637509. The reversal of 16432363637489 is 98473636323461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11319826605025 + 5112537032464 = 3364495^2 + 2261092^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432363637489 - 2²⁰ = 16432362588913 is a prime.

It is not a weakly prime, because it can be changed into another prime (16432363637419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216181818744 + 8216181818745.

It is an arithmetic number, because the mean of its divisors is an integer number (8216181818745).

Almost surely, 2^{16432363637489} is an apocalyptic number.

It is an amenable number.

16432363637489 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432363637489 is an equidigital number, since it uses as much as digits as its factorization.

16432363637489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282175488, while the sum is 65.

The spelling of 16432363637489 in words is "sixteen trillion, four hundred thirty-two billion, three hundred sixty-three million, six hundred thirty-seven thousand, four hundred eighty-nine".