16433036489 has 4 divisors (see below), whose sum is σ = 16437402624. Its totient is φ = 16428670356.

The previous prime is 16433036461. The next prime is 16433036491. The reversal of 16433036489 is 98463033461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16433036489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16433036449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177417 + ... + 2184950.

It is an arithmetic number, because the mean of its divisors is an integer number (4109350656).

Almost surely, 2^16433036489 is an apocalyptic number.

It is an amenable number.

16433036489 is a deficient number, since it is larger than the sum of its proper divisors (4366135).

16433036489 is an equidigital number, since it uses as much as digits as its factorization.

16433036489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366134.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 16433036489 in words is "sixteen billion, four hundred thirty-three million, thirty-six thousand, four hundred eighty-nine".