6436048513 has 8 divisors (see below), whose sum is σ = 6980851080. Its totient is φ = 5909713920.

The previous prime is 6436048459. The next prime is 6436048519. The reversal of 6436048513 is 3158406346.

It can be written as a sum of positive squares in 4 ways, for example, as 350176369 + 6085872144 = 18713^2 + 78012^2 .

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 6436048513 - 2²⁹ = 5899177601 is a prime.

It is a super-2 number, since 2×6436048513² = 82845440923379022338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6436048519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616268 + ... + 4617661.

It is an arithmetic number, because the mean of its divisors is an integer number (872606385).

Almost surely, 2^6436048513 is an apocalyptic number.

It is an amenable number.

6436048513 is a deficient number, since it is larger than the sum of its proper divisors (544802567).

6436048513 is a wasteful number, since it uses less digits than its factorization.

6436048513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9233987.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 6436048513 is about 80224.9868370198. The cubic root of 6436048513 is about 1860.1148918316.

The spelling of 6436048513 in words is "six billion, four hundred thirty-six million, forty-eight thousand, five hundred thirteen".