6436161213 has 16 divisors (see below), whose sum is σ = 9142049280. Its totient is φ = 4015965744.

The previous prime is 6436161209. The next prime is 6436161229. The reversal of 6436161213 is 3121616346.

It is not a de Polignac number, because 6436161213 - 2² = 6436161209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436161293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675481 + ... + 684942.

It is an arithmetic number, because the mean of its divisors is an integer number (571378080).

Almost surely, 2^6436161213 is an apocalyptic number.

It is an amenable number.

6436161213 is a deficient number, since it is larger than the sum of its proper divisors (2705888067).

6436161213 is a wasteful number, since it uses less digits than its factorization.

6436161213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360528.

The product of its digits is 15552, while the sum is 33.

The square root of 6436161213 is about 80225.6892335616. The cubic root of 6436161213 is about 1860.1257491003.

Adding to 6436161213 its reverse (3121616346), we get a palindrome (9557777559).

The spelling of 6436161213 in words is "six billion, four hundred thirty-six million, one hundred sixty-one thousand, two hundred thirteen".