6530426788 has 12 divisors (see below), whose sum is σ = 11444146560. Its totient is φ = 3260670632.

The previous prime is 6530426729. The next prime is 6530426831. The reversal of 6530426788 is 8876240356.

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 3 ways as a sum of consecutive naturals, for example, 1132456 + ... + 1138207.

It is an arithmetic number, because the mean of its divisors is an integer number (953678880).

Almost surely, 2^6530426788 is an apocalyptic number.

It is an amenable number.

6530426788 is a deficient number, since it is larger than the sum of its proper divisors (4913719772).

6530426788 is a wasteful number, since it uses less digits than its factorization.

6530426788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271386 (or 2271384 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 6530426788 is about 80811.0561000164. The cubic root of 6530426788 is about 1869.1630547922.

The spelling of 6530426788 in words is "six billion, five hundred thirty million, four hundred twenty-six thousand, seven hundred eighty-eight".