986873489047 has 2 divisors, whose sum is σ = 986873489048. Its totient is φ = 986873489046.

The previous prime is 986873488921. The next prime is 986873489081. The reversal of 986873489047 is 740984378689.

It is a strong prime.

It is an emirp because it is prime and its reverse (740984378689) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986873489047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986873483047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493436744523 + 493436744524.

It is an arithmetic number, because the mean of its divisors is an integer number (493436744524).

Almost surely, 2^986873489047 is an apocalyptic number.

986873489047 is a deficient number, since it is larger than the sum of its proper divisors (1).

986873489047 is an equidigital number, since it uses as much as digits as its factorization.

986873489047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 986873489047 in words is "nine hundred eighty-six billion, eight hundred seventy-three million, four hundred eighty-nine thousand, forty-seven".