6526408647 has 16 divisors (see below), whose sum is σ = 10051368192. Its totient is φ = 3722728320.

The previous prime is 6526408601. The next prime is 6526408663. The reversal of 6526408647 is 7468046256.

It is not a de Polignac number, because 6526408647 - 2⁶ = 6526408583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6526408596 and 6526408605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6526408687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5816203 + ... + 5817324.

It is an arithmetic number, because the mean of its divisors is an integer number (628210512).

Almost surely, 2^6526408647 is an apocalyptic number.

6526408647 is a deficient number, since it is larger than the sum of its proper divisors (3524959545).

6526408647 is a wasteful number, since it uses less digits than its factorization.

6526408647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11633558.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 6526408647 is about 80786.1909425120. The cubic root of 6526408647 is about 1868.7796137155.

The spelling of 6526408647 in words is "six billion, five hundred twenty-six million, four hundred eight thousand, six hundred forty-seven".