6256663842 has 32 divisors (see below), whose sum is σ = 14700974400. Its totient is φ = 1750115520.

The previous prime is 6256663817. The next prime is 6256663859. The reversal of 6256663842 is 2483666526.

It is a super-3 number, since 3×6256663842³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6256663791 and 6256663800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645217 + ... + 3646932.

It is an arithmetic number, because the mean of its divisors is an integer number (459405450).

Almost surely, 2^6256663842 is an apocalyptic number.

6256663842 is an abundant number, since it is smaller than the sum of its proper divisors (8444310558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6256663842 is a wasteful number, since it uses less digits than its factorization.

6256663842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292178.

The product of its digits is 2488320, while the sum is 48.

The square root of 6256663842 is about 79099.0761134414. The cubic root of 6256663842 is about 1842.6701782235.

The spelling of 6256663842 in words is "six billion, two hundred fifty-six million, six hundred sixty-three thousand, eight hundred forty-two".