6436243802 has 16 divisors (see below), whose sum is σ = 9822496320. Its totient is φ = 3162128448.

The previous prime is 6436243799. The next prime is 6436243811. The reversal of 6436243802 is 2083426346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273923 + ... + 296489.

It is an arithmetic number, because the mean of its divisors is an integer number (613906020).

Almost surely, 2^6436243802 is an apocalyptic number.

6436243802 is a deficient number, since it is larger than the sum of its proper divisors (3386252518).

6436243802 is a wasteful number, since it uses less digits than its factorization.

6436243802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25045.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 6436243802 is about 80226.2039610500. The cubic root of 6436243802 is about 1860.1337054614.

The spelling of 6436243802 in words is "six billion, four hundred thirty-six million, two hundred forty-three thousand, eight hundred two".