6440059417 has 4 divisors (see below), whose sum is σ = 7025519376. Its totient is φ = 5854599460.

The previous prime is 6440059411. The next prime is 6440059453. The reversal of 6440059417 is 7149500446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6440059417 - 2¹¹ = 6440057369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6440059417.

It is not an unprimeable number, because it can be changed into a prime (6440059411) 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, 292729963 + ... + 292729984.

It is an arithmetic number, because the mean of its divisors is an integer number (1756379844).

Almost surely, 2^6440059417 is an apocalyptic number.

It is an amenable number.

6440059417 is a deficient number, since it is larger than the sum of its proper divisors (585459959).

6440059417 is a wasteful number, since it uses less digits than its factorization.

6440059417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585459958.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6440059417 is about 80249.9807912750. The cubic root of 6440059417 is about 1860.5012154665.

The spelling of 6440059417 in words is "six billion, four hundred forty million, fifty-nine thousand, four hundred seventeen".