9219917942 has 16 divisors (see below), whose sum is σ = 13905449712. Its totient is φ = 4584834720.

The previous prime is 9219917939. The next prime is 9219917953. The reversal of 9219917942 is 2497199129.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266768 + ... + 299340.

It is an arithmetic number, because the mean of its divisors is an integer number (869090607).

Almost surely, 2^9219917942 is an apocalyptic number.

9219917942 is a deficient number, since it is larger than the sum of its proper divisors (4685531770).

9219917942 is a wasteful number, since it uses less digits than its factorization.

9219917942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33343.

The product of its digits is 734832, while the sum is 53.

The square root of 9219917942 is about 96020.4037796134. The cubic root of 9219917942 is about 2096.8901772328.

The spelling of 9219917942 in words is "nine billion, two hundred nineteen million, nine hundred seventeen thousand, nine hundred forty-two".