17942893522 has 8 divisors (see below), whose sum is σ = 27085769676. Its totient is φ = 8914303632.

The previous prime is 17942893513. The next prime is 17942893583. The reversal of 17942893522 is 22539824971.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17832664521 + 110229001 = 133539^2 + 10499^2 .

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 17942893522.

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 3 ways as a sum of consecutive naturals, for example, 28571173 + ... + 28571800.

Almost surely, 2^17942893522 is an apocalyptic number.

17942893522 is a deficient number, since it is larger than the sum of its proper divisors (9142876154).

17942893522 is a wasteful number, since it uses less digits than its factorization.

17942893522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57143132.

The product of its digits is 2177280, while the sum is 52.

The spelling of 17942893522 in words is "seventeen billion, nine hundred forty-two million, eight hundred ninety-three thousand, five hundred twenty-two".