6622492647 has 8 divisors (see below), whose sum is σ = 9349401456. Its totient is φ = 4155289472.

The previous prime is 6622492627. The next prime is 6622492663. The reversal of 6622492647 is 7462942266.

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 6622492647 - 2⁸ = 6622492391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6622492596 and 6622492605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622492627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64926348 + ... + 64926449.

It is an arithmetic number, because the mean of its divisors is an integer number (1168675182).

Almost surely, 2^6622492647 is an apocalyptic number.

6622492647 is a deficient number, since it is larger than the sum of its proper divisors (2726908809).

6622492647 is a wasteful number, since it uses less digits than its factorization.

6622492647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129852817.

The product of its digits is 1741824, while the sum is 48.

The square root of 6622492647 is about 81378.6989758377. The cubic root of 6622492647 is about 1877.9059079839.

The spelling of 6622492647 in words is "six billion, six hundred twenty-two million, four hundred ninety-two thousand, six hundred forty-seven".