17190978044 has 12 divisors (see below), whose sum is σ = 31392220944. Its totient is φ = 8221772064.

The previous prime is 17190978029. The next prime is 17190978059. The reversal of 17190978044 is 44087909171.

It is an interprime number because it is at equal distance from previous prime (17190978029) and next prime (17190978059).

It is a super-2 number, since 2×17190978044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17190977983 and 17190978001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93429137 + ... + 93429320.

It is an arithmetic number, because the mean of its divisors is an integer number (2616018412).

Almost surely, 2^17190978044 is an apocalyptic number.

It is an amenable number.

17190978044 is a deficient number, since it is larger than the sum of its proper divisors (14201242900).

17190978044 is a wasteful number, since it uses less digits than its factorization.

17190978044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186858484 (or 186858482 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 17190978044 in words is "seventeen billion, one hundred ninety million, nine hundred seventy-eight thousand, forty-four".