9687494947869 has 48 divisors (see below), whose sum is σ = 15081399590400. Its totient is φ = 5972430487968.

The previous prime is 9687494947861. The next prime is 9687494947967.

9687494947869 is a `hidden beast` number, since 9 + 6 + 8 + 7 + 49 + 494 + 78 + 6 + 9 = 666.

9687494947869 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9687494947869 - 2³ = 9687494947861 is a prime.

It is a super-2 number, since 2×9687494947869² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9687494947861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11497624 + ... + 12311390.

It is an arithmetic number, because the mean of its divisors is an integer number (314195824800).

Almost surely, 2^{9687494947869} is an apocalyptic number.

It is an amenable number.

9687494947869 is a deficient number, since it is larger than the sum of its proper divisors (5393904642531).

9687494947869 is a wasteful number, since it uses less digits than its factorization.

9687494947869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815454 (or 815451 counting only the distinct ones).

The product of its digits is 47405481984, while the sum is 90.

The spelling of 9687494947869 in words is "nine trillion, six hundred eighty-seven billion, four hundred ninety-four million, nine hundred forty-seven thousand, eight hundred sixty-nine".