6481933567 has 4 divisors (see below), whose sum is σ = 6482110320. Its totient is φ = 6481756816.

The previous prime is 6481933547. The next prime is 6481933583. The reversal of 6481933567 is 7653391846.

It is a happy number.

6481933567 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6481933567 - 2²⁷ = 6347715839 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 (6481933547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10483 + ... + 114340.

It is an arithmetic number, because the mean of its divisors is an integer number (1620527580).

Almost surely, 2^6481933567 is an apocalyptic number.

6481933567 is a deficient number, since it is larger than the sum of its proper divisors (176753).

6481933567 is a wasteful number, since it uses less digits than its factorization.

6481933567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176752.

The product of its digits is 3265920, while the sum is 52.

The square root of 6481933567 is about 80510.4562587991. The cubic root of 6481933567 is about 1864.5249185339.

The spelling of 6481933567 in words is "six billion, four hundred eighty-one million, nine hundred thirty-three thousand, five hundred sixty-seven".