6436243801 has 8 divisors (see below), whose sum is σ = 7232702400. Its totient is φ = 5682837072.

The previous prime is 6436243799. The next prime is 6436243811. The reversal of 6436243801 is 1083426346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6436243801 - 2¹ = 6436243799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6436243811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10762651 + ... + 10763248.

It is an arithmetic number, because the mean of its divisors is an integer number (904087800).

Almost surely, 2^6436243801 is an apocalyptic number.

It is an amenable number.

6436243801 is a deficient number, since it is larger than the sum of its proper divisors (796458599).

6436243801 is a wasteful number, since it uses less digits than its factorization.

6436243801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21525935.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 6436243801 is about 80226.2039548177. The cubic root of 6436243801 is about 1860.1337053651.

The spelling of 6436243801 in words is "six billion, four hundred thirty-six million, two hundred forty-three thousand, eight hundred one".