9669811814 has 8 divisors (see below), whose sum is σ = 15620465280. Its totient is φ = 4462990056.

The previous prime is 9669811813. The next prime is 9669811841. The reversal of 9669811814 is 4181189669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9669811813) 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, 185957894 + ... + 185957945.

It is an arithmetic number, because the mean of its divisors is an integer number (1952558160).

Almost surely, 2^9669811814 is an apocalyptic number.

9669811814 is a deficient number, since it is larger than the sum of its proper divisors (5950653466).

9669811814 is a wasteful number, since it uses less digits than its factorization.

9669811814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371915854.

The product of its digits is 746496, while the sum is 53.

The square root of 9669811814 is about 98335.2012963822. The cubic root of 9669811814 is about 2130.4565145212.

The spelling of 9669811814 in words is "nine billion, six hundred sixty-nine million, eight hundred eleven thousand, eight hundred fourteen".