9862940492689 has 4 divisors (see below), whose sum is σ = 9864092310256. Its totient is φ = 9861788675124.

The previous prime is 9862940492683. The next prime is 9862940492759.

9862940492689 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9862940492689 - 2⁹ = 9862940492177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9862940492683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575895939 + ... + 575913064.

It is an arithmetic number, because the mean of its divisors is an integer number (2466023077564).

Almost surely, 2^{9862940492689} is an apocalyptic number.

It is an amenable number.

9862940492689 is a deficient number, since it is larger than the sum of its proper divisors (1151817567).

9862940492689 is a wasteful number, since it uses less digits than its factorization.

9862940492689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151817566.

The product of its (nonzero) digits is 967458816, while the sum is 76.

The spelling of 9862940492689 in words is "nine trillion, eight hundred sixty-two billion, nine hundred forty million, four hundred ninety-two thousand, six hundred eighty-nine".