6520422999 has 8 divisors (see below), whose sum is σ = 8812992112. Its totient is φ = 4287401280.

The previous prime is 6520422991. The next prime is 6520423001. The reversal of 6520422999 is 9992240256.

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

It is not a de Polignac number, because 6520422999 - 2³ = 6520422991 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 (6520422991) 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, 14886592 + ... + 14887029.

It is an arithmetic number, because the mean of its divisors is an integer number (1101624014).

Almost surely, 2^6520422999 is an apocalyptic number.

6520422999 is a deficient number, since it is larger than the sum of its proper divisors (2292569113).

6520422999 is a wasteful number, since it uses less digits than its factorization.

6520422999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29773697.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 6520422999 is about 80749.1362120983. The cubic root of 6520422999 is about 1868.2081264458.

The spelling of 6520422999 in words is "six billion, five hundred twenty million, four hundred twenty-two thousand, nine hundred ninety-nine".