9690994094543 has 4 divisors (see below), whose sum is σ = 9927359804208. Its totient is φ = 9454628384880.

The previous prime is 9690994094539. The next prime is 9690994094549. The reversal of 9690994094543 is 3454904990969.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9690994094543 - 2² = 9690994094539 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 (9690994094549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118182854771 + ... + 118182854852.

It is an arithmetic number, because the mean of its divisors is an integer number (2481839951052).

Almost surely, 2^{9690994094543} is an apocalyptic number.

9690994094543 is a deficient number, since it is larger than the sum of its proper divisors (236365709665).

9690994094543 is a wasteful number, since it uses less digits than its factorization.

9690994094543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236365709664.

The product of its (nonzero) digits is 340122240, while the sum is 71.

The spelling of 9690994094543 in words is "nine trillion, six hundred ninety billion, nine hundred ninety-four million, ninety-four thousand, five hundred forty-three".