6446057005 has 8 divisors (see below), whose sum is σ = 7735702752. Its totient is φ = 5156556048.

The previous prime is 6446056999. The next prime is 6446057011. The reversal of 6446057005 is 5007506446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6446056999) and next prime (6446057011).

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

It is a cyclic number.

It is not a de Polignac number, because 6446057005 - 2²¹ = 6443959853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137754 + ... + 178516.

It is an arithmetic number, because the mean of its divisors is an integer number (966962844).

Almost surely, 2^6446057005 is an apocalyptic number.

It is an amenable number.

6446057005 is a deficient number, since it is larger than the sum of its proper divisors (1289645747).

6446057005 is a wasteful number, since it uses less digits than its factorization.

6446057005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72395.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 6446057005 is about 80287.3402536166. The cubic root of 6446057005 is about 1861.0785940733.

The spelling of 6446057005 in words is "six billion, four hundred forty-six million, fifty-seven thousand, five".