9420997918 has 8 divisors (see below), whose sum is σ = 14325079248. Its totient is φ = 4645971504.

The previous prime is 9420997889. The next prime is 9420997939. The reversal of 9420997918 is 8197990249.

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

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 3 ways as a sum of consecutive naturals, for example, 32263546 + ... + 32263837.

It is an arithmetic number, because the mean of its divisors is an integer number (1790634906).

Almost surely, 2^9420997918 is an apocalyptic number.

9420997918 is a deficient number, since it is larger than the sum of its proper divisors (4904081330).

9420997918 is a wasteful number, since it uses less digits than its factorization.

9420997918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64527458.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 9420997918 is about 97061.8252352592. The cubic root of 9420997918 is about 2112.0245849064.

The spelling of 9420997918 in words is "nine billion, four hundred twenty million, nine hundred ninety-seven thousand, nine hundred eighteen".