6423252647 has 32 divisors (see below), whose sum is σ = 7871800320. Its totient is φ = 5116147200.

The previous prime is 6423252643. The next prime is 6423252673. The reversal of 6423252647 is 7462523246.

It is a cyclic number.

It is not a de Polignac number, because 6423252647 - 2² = 6423252643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423252643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3215453 + ... + 3217449.

It is an arithmetic number, because the mean of its divisors is an integer number (245993760).

Almost surely, 2^6423252647 is an apocalyptic number.

6423252647 is a deficient number, since it is larger than the sum of its proper divisors (1448547673).

6423252647 is a wasteful number, since it uses less digits than its factorization.

6423252647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 483840, while the sum is 41.

The square root of 6423252647 is about 80145.1972796873. The cubic root of 6423252647 is about 1858.8813413500.

The spelling of 6423252647 in words is "six billion, four hundred twenty-three million, two hundred fifty-two thousand, six hundred forty-seven".