6489476047 has 4 divisors (see below), whose sum is σ = 6698814016. Its totient is φ = 6280138080.

The previous prime is 6489476009. The next prime is 6489476051. The reversal of 6489476047 is 7406749846.

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 6489476047 - 2⁷ = 6489475919 is a prime.

It is a super-2 number, since 2×6489476047² = 84226598729173492418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489476347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104668938 + ... + 104668999.

It is an arithmetic number, because the mean of its divisors is an integer number (1674703504).

Almost surely, 2^6489476047 is an apocalyptic number.

6489476047 is a deficient number, since it is larger than the sum of its proper divisors (209337969).

6489476047 is a wasteful number, since it uses less digits than its factorization.

6489476047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209337968.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The square root of 6489476047 is about 80557.2842578497. The cubic root of 6489476047 is about 1865.2478350622.

The spelling of 6489476047 in words is "six billion, four hundred eighty-nine million, four hundred seventy-six thousand, forty-seven".