9917434628022 has 16 divisors (see below), whose sum is σ = 20697254876160. Its totient is φ = 3162080605992.

The previous prime is 9917434627951. The next prime is 9917434628083. The reversal of 9917434628022 is 2208264347199.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35932734022 + ... + 35932734297.

It is an arithmetic number, because the mean of its divisors is an integer number (1293578429760).

Almost surely, 2^{9917434628022} is an apocalyptic number.

9917434628022 is an abundant number, since it is smaller than the sum of its proper divisors (10779820248138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9917434628022 is a wasteful number, since it uses less digits than its factorization.

9917434628022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71865468347.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 9917434628022 in words is "nine trillion, nine hundred seventeen billion, four hundred thirty-four million, six hundred twenty-eight thousand, twenty-two".