6445475011 has 8 divisors (see below), whose sum is σ = 6668805600. Its totient is φ = 6222216000.

The previous prime is 6445474993. The next prime is 6445475033. The reversal of 6445475011 is 1105745446.

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 6445475011 - 2⁹ = 6445474499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6445475041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218386 + ... + 246136.

It is an arithmetic number, because the mean of its divisors is an integer number (833600700).

Almost surely, 2^6445475011 is an apocalyptic number.

6445475011 is a deficient number, since it is larger than the sum of its proper divisors (223330589).

6445475011 is a wasteful number, since it uses less digits than its factorization.

6445475011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35789.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 6445475011 is about 80283.7157274126. The cubic root of 6445475011 is about 1861.0225820971.

The spelling of 6445475011 in words is "six billion, four hundred forty-five million, four hundred seventy-five thousand, eleven".