6409744006 has 8 divisors (see below), whose sum is σ = 10032642864. Its totient is φ = 3065529720.

The previous prime is 6409743961. The next prime is 6409744009. The reversal of 6409744006 is 6004479046.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6409744006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409744009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69671085 + ... + 69671176.

It is an arithmetic number, because the mean of its divisors is an integer number (1254080358).

Almost surely, 2^6409744006 is an apocalyptic number.

6409744006 is a deficient number, since it is larger than the sum of its proper divisors (3622898858).

6409744006 is a wasteful number, since it uses less digits than its factorization.

6409744006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139342286.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6409744006 is about 80060.8768750380. The cubic root of 6409744006 is about 1857.5772987739.

The spelling of 6409744006 in words is "six billion, four hundred nine million, seven hundred forty-four thousand, six".