17897330349 has 16 divisors (see below), whose sum is σ = 26630356800. Its totient is φ = 11879446608.

The previous prime is 17897330333. The next prime is 17897330359. The reversal of 17897330349 is 94303379871.

It is a happy number.

It is not a de Polignac number, because 17897330349 - 2⁴ = 17897330333 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 17897330295 and 17897330304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17897330359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441119 + ... + 1453484.

It is an arithmetic number, because the mean of its divisors is an integer number (1664397300).

Almost surely, 2^17897330349 is an apocalyptic number.

It is an amenable number.

17897330349 is a deficient number, since it is larger than the sum of its proper divisors (8733026451).

17897330349 is a wasteful number, since it uses less digits than its factorization.

17897330349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894841 (or 2894835 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 17897330349 in words is "seventeen billion, eight hundred ninety-seven million, three hundred thirty thousand, three hundred forty-nine".