6471495287 has 4 divisors (see below), whose sum is σ = 6471705336. Its totient is φ = 6471285240.

The previous prime is 6471495259. The next prime is 6471495293. The reversal of 6471495287 is 7825941746.

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 6471495287 - 2²⁰ = 6470446711 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 (6471495787) 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, 48764 + ... + 123777.

It is an arithmetic number, because the mean of its divisors is an integer number (1617926334).

Almost surely, 2^6471495287 is an apocalyptic number.

6471495287 is a deficient number, since it is larger than the sum of its proper divisors (210049).

6471495287 is a wasteful number, since it uses less digits than its factorization.

6471495287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210048.

The product of its digits is 3386880, while the sum is 53.

The square root of 6471495287 is about 80445.6045225592. The cubic root of 6471495287 is about 1863.5235254809.

The spelling of 6471495287 in words is "six billion, four hundred seventy-one million, four hundred ninety-five thousand, two hundred eighty-seven".