4431471046487 has 2 divisors, whose sum is σ = 4431471046488. Its totient is φ = 4431471046486.

The previous prime is 4431471046477. The next prime is 4431471046507. The reversal of 4431471046487 is 7846401741344.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431471046487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4431471046477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215735523243 + 2215735523244.

It is an arithmetic number, because the mean of its divisors is an integer number (2215735523244).

Almost surely, 2^{4431471046487} is an apocalyptic number.

4431471046487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431471046487 is an equidigital number, since it uses as much as digits as its factorization.

4431471046487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 53.

The spelling of 4431471046487 in words is "four trillion, four hundred thirty-one billion, four hundred seventy-one million, forty-six thousand, four hundred eighty-seven".