986607493391 has 16 divisors (see below), whose sum is σ = 1066867308864. Its totient is φ = 906973077504.

The previous prime is 986607493357. The next prime is 986607493409. The reversal of 986607493391 is 193394706689.

It is a de Polignac number, because none of the positive numbers 2^k-986607493391 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 (986607493331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16565021 + ... + 16624473.

It is an arithmetic number, because the mean of its divisors is an integer number (66679206804).

Almost surely, 2^986607493391 is an apocalyptic number.

986607493391 is a deficient number, since it is larger than the sum of its proper divisors (80259815473).

986607493391 is a wasteful number, since it uses less digits than its factorization.

986607493391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64690.

The product of its (nonzero) digits is 52907904, while the sum is 65.

The spelling of 986607493391 in words is "nine hundred eighty-six billion, six hundred seven million, four hundred ninety-three thousand, three hundred ninety-one".