9421215694 has 8 divisors (see below), whose sum is σ = 15416534808. Its totient is φ = 4282370760.

The previous prime is 9421215689. The next prime is 9421215701. The reversal of 9421215694 is 4965121249.

9421215694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9421215694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214118517 + ... + 214118560.

It is an arithmetic number, because the mean of its divisors is an integer number (1927066851).

Almost surely, 2^9421215694 is an apocalyptic number.

9421215694 is a deficient number, since it is larger than the sum of its proper divisors (5995319114).

9421215694 is a wasteful number, since it uses less digits than its factorization.

9421215694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428237090.

The product of its digits is 155520, while the sum is 43.

The square root of 9421215694 is about 97062.9470704450. The cubic root of 9421215694 is about 2112.0408586503.

The spelling of 9421215694 in words is "nine billion, four hundred twenty-one million, two hundred fifteen thousand, six hundred ninety-four".