6437670434 has 8 divisors (see below), whose sum is σ = 10399313820. Its totient is φ = 2971232496.

The previous prime is 6437670433. The next prime is 6437670439. The reversal of 6437670434 is 4340767346.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4482704209 + 1954966225 = 66953^2 + 44215^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6437670431) 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 3 ways as a sum of consecutive naturals, for example, 123801329 + ... + 123801380.

Almost surely, 2^6437670434 is an apocalyptic number.

6437670434 is a deficient number, since it is larger than the sum of its proper divisors (3961643386).

6437670434 is a wasteful number, since it uses less digits than its factorization.

6437670434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247602724.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The square root of 6437670434 is about 80235.0947777841. The cubic root of 6437670434 is about 1860.2711319016.

The spelling of 6437670434 in words is "six billion, four hundred thirty-seven million, six hundred seventy thousand, four hundred thirty-four".