6406585201 has 4 divisors (see below), whose sum is σ = 6783443172. Its totient is φ = 6029727232.

The previous prime is 6406585177. The next prime is 6406585223. The reversal of 6406585201 is 1025856046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1025856046 = 2 ⋅512928023.

It can be written as a sum of positive squares in 2 ways, for example, as 5959685601 + 446899600 = 77199^2 + 21140^2 .

It is a cyclic number.

It is not a de Polignac number, because 6406585201 - 2¹⁵ = 6406552433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406885201) 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, 188428960 + ... + 188428993.

It is an arithmetic number, because the mean of its divisors is an integer number (1695860793).

Almost surely, 2^6406585201 is an apocalyptic number.

It is an amenable number.

6406585201 is a deficient number, since it is larger than the sum of its proper divisors (376857971).

6406585201 is a wasteful number, since it uses less digits than its factorization.

6406585201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376857970.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 6406585201 is about 80041.1469245662. The cubic root of 6406585201 is about 1857.2721025698.

The spelling of 6406585201 in words is "six billion, four hundred six million, five hundred eighty-five thousand, two hundred one".