9642697087671 has 16 divisors (see below), whose sum is σ = 14481168637920. Its totient is φ = 6340403563200.

The previous prime is 9642697087613. The next prime is 9642697087687. The reversal of 9642697087671 is 1767807962469.

9642697087671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9642697087671 - 2⁶ = 9642697087607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9642697087671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642697087691) 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, 2446141380 + ... + 2446145321.

It is an arithmetic number, because the mean of its divisors is an integer number (905073039870).

Almost surely, 2^{9642697087671} is an apocalyptic number.

9642697087671 is a deficient number, since it is larger than the sum of its proper divisors (4838471550249).

9642697087671 is a wasteful number, since it uses less digits than its factorization.

9642697087671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892286783 (or 4892286777 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 72.

The spelling of 9642697087671 in words is "nine trillion, six hundred forty-two billion, six hundred ninety-seven million, eighty-seven thousand, six hundred seventy-one".