6425328517 has 16 divisors (see below), whose sum is σ = 6848150400. Its totient is φ = 6007592448.

The previous prime is 6425328473. The next prime is 6425328577. The reversal of 6425328517 is 7158235246.

It is a cyclic number.

It is not a de Polignac number, because 6425328517 - 2¹⁵ = 6425295749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425328577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3168858 + ... + 3170884.

It is an arithmetic number, because the mean of its divisors is an integer number (428009400).

Almost surely, 2^6425328517 is an apocalyptic number.

It is an amenable number.

6425328517 is a deficient number, since it is larger than the sum of its proper divisors (422821883).

6425328517 is a wasteful number, since it uses less digits than its factorization.

6425328517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180.

The product of its digits is 403200, while the sum is 43.

The square root of 6425328517 is about 80158.1469159561. The cubic root of 6425328517 is about 1859.0815711817.

The spelling of 6425328517 in words is "six billion, four hundred twenty-five million, three hundred twenty-eight thousand, five hundred seventeen".