17942702011 has 4 divisors (see below), whose sum is σ = 19322909872. Its totient is φ = 16562494152.

The previous prime is 17942701963. The next prime is 17942702051. The reversal of 17942702011 is 11020724971.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17942702011 - 2⁹ = 17942701499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17942702051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690103911 + ... + 690103936.

It is an arithmetic number, because the mean of its divisors is an integer number (4830727468).

Almost surely, 2^17942702011 is an apocalyptic number.

17942702011 is a deficient number, since it is larger than the sum of its proper divisors (1380207861).

17942702011 is a wasteful number, since it uses less digits than its factorization.

17942702011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380207860.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 17942702011 in words is "seventeen billion, nine hundred forty-two million, seven hundred two thousand, eleven".