6426663513 has 16 divisors (see below), whose sum is σ = 8777362176. Its totient is φ = 4180412880.

The previous prime is 6426663499. The next prime is 6426663539. The reversal of 6426663513 is 3153666246.

It is a happy number.

It is not a de Polignac number, because 6426663513 - 2¹² = 6426659417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6426663563) 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 15 ways as a sum of consecutive naturals, for example, 99606 + ... + 150912.

It is an arithmetic number, because the mean of its divisors is an integer number (548585136).

Almost surely, 2^6426663513 is an apocalyptic number.

It is an amenable number.

6426663513 is a deficient number, since it is larger than the sum of its proper divisors (2350698663).

6426663513 is a wasteful number, since it uses less digits than its factorization.

6426663513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324.

The product of its digits is 466560, while the sum is 42.

The square root of 6426663513 is about 80166.4737468226. The cubic root of 6426663513 is about 1859.2103165881.

The spelling of 6426663513 in words is "six billion, four hundred twenty-six million, six hundred sixty-three thousand, five hundred thirteen".