6404525017 has 4 divisors (see below), whose sum is σ = 6986754576. Its totient is φ = 5822295460.

The previous prime is 6404525009. The next prime is 6404525047. The reversal of 6404525017 is 7105254046.

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 6404525017 - 2³ = 6404525009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6404525047) 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, 291114763 + ... + 291114784.

It is an arithmetic number, because the mean of its divisors is an integer number (1746688644).

Almost surely, 2^6404525017 is an apocalyptic number.

It is an amenable number.

6404525017 is a deficient number, since it is larger than the sum of its proper divisors (582229559).

6404525017 is a wasteful number, since it uses less digits than its factorization.

6404525017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582229558.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 6404525017 is about 80028.2763590470. The cubic root of 6404525017 is about 1857.0729984517.

The spelling of 6404525017 in words is "six billion, four hundred four million, five hundred twenty-five thousand, seventeen".