6436465434 has 96 divisors (see below), whose sum is σ = 16242769920. Its totient is φ = 1804117536.

The previous prime is 6436465417. The next prime is 6436465439. The reversal of 6436465434 is 4345646346.

6436465434 is a `hidden beast` number, since 6 + 43 + 64 + 6 + 543 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6436465434.

It is not an unprimeable number, because it can be changed into a prime (6436465439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1620519 + ... + 1624485.

It is an arithmetic number, because the mean of its divisors is an integer number (169195520).

Almost surely, 2^6436465434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6436465434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8121384960).

6436465434 is an abundant number, since it is smaller than the sum of its proper divisors (9806304486).

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

6436465434 is a wasteful number, since it uses less digits than its factorization.

6436465434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4221 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The square root of 6436465434 is about 80227.5852434809. The cubic root of 6436465434 is about 1860.1550564457.

The spelling of 6436465434 in words is "six billion, four hundred thirty-six million, four hundred sixty-five thousand, four hundred thirty-four".