16434565213 has 12 divisors (see below), whose sum is σ = 18484548544. Its totient is φ = 14593055400.

The previous prime is 16434565207. The next prime is 16434565219. The reversal of 16434565213 is 31256543461.

It is an interprime number because it is at equal distance from previous prime (16434565207) and next prime (16434565219).

It is not a de Polignac number, because 16434565213 - 2⁵ = 16434565181 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434565219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574133 + ... + 1584538.

Almost surely, 2^16434565213 is an apocalyptic number.

It is an amenable number.

16434565213 is a deficient number, since it is larger than the sum of its proper divisors (2049983331).

16434565213 is a wasteful number, since it uses less digits than its factorization.

16434565213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158736 (or 3158725 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The spelling of 16434565213 in words is "sixteen billion, four hundred thirty-four million, five hundred sixty-five thousand, two hundred thirteen".