9669217894 has 16 divisors (see below), whose sum is σ = 17296489728. Its totient is φ = 3963778632.

The previous prime is 9669217861. The next prime is 9669217937. The reversal of 9669217894 is 4987129669.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15013992 + ... + 15014635.

It is an arithmetic number, because the mean of its divisors is an integer number (1081030608).

Almost surely, 2^9669217894 is an apocalyptic number.

9669217894 is a deficient number, since it is larger than the sum of its proper divisors (7627271834).

9669217894 is a wasteful number, since it uses less digits than its factorization.

9669217894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30028659.

The product of its digits is 11757312, while the sum is 61.

The square root of 9669217894 is about 98332.1813751734. The cubic root of 9669217894 is about 2130.4128960702.

The spelling of 9669217894 in words is "nine billion, six hundred sixty-nine million, two hundred seventeen thousand, eight hundred ninety-four".