17680992922 has 4 divisors (see below), whose sum is σ = 26521489386. Its totient is φ = 8840496460.

The previous prime is 17680992911. The next prime is 17680992937. The reversal of 17680992922 is 22929908671.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22929908671 = 19777 ⋅1159423.

It can be written as a sum of positive squares in only one way, i.e., 17004420801 + 676572121 = 130401^2 + 26011^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4420248229 + ... + 4420248232.

Almost surely, 2^17680992922 is an apocalyptic number.

17680992922 is a deficient number, since it is larger than the sum of its proper divisors (8840496464).

17680992922 is an equidigital number, since it uses as much as digits as its factorization.

17680992922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840496463.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 17680992922 in words is "seventeen billion, six hundred eighty million, nine hundred ninety-two thousand, nine hundred twenty-two".