6436198344 has 16 divisors (see below), whose sum is σ = 16090495920. Its totient is φ = 2145399440.

The previous prime is 6436198309. The next prime is 6436198361. The reversal of 6436198344 is 4438916346.

It is a junction number, because it is equal to n+sod(n) for n = 6436198293 and 6436198302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134087442 + ... + 134087489.

It is an arithmetic number, because the mean of its divisors is an integer number (1005655995).

Almost surely, 2^6436198344 is an apocalyptic number.

It is an amenable number.

6436198344 is an abundant number, since it is smaller than the sum of its proper divisors (9654297576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6436198344 is a wasteful number, since it uses less digits than its factorization.

6436198344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268174940 (or 268174936 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 6436198344 is about 80225.9206491269. The cubic root of 6436198344 is about 1860.1293261910.

The spelling of 6436198344 in words is "six billion, four hundred thirty-six million, one hundred ninety-eight thousand, three hundred forty-four".