17057693989 has 4 divisors (see below), whose sum is σ = 19494507424. Its totient is φ = 14620880556.

The previous prime is 17057693867. The next prime is 17057694019. The reversal of 17057693989 is 98939675071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17057693989 - 2¹⁵ = 17057661221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17057693989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17057693089) by changing a digit.

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, 1218406707 + ... + 1218406720.

It is an arithmetic number, because the mean of its divisors is an integer number (4873626856).

Almost surely, 2^17057693989 is an apocalyptic number.

It is an amenable number.

17057693989 is a deficient number, since it is larger than the sum of its proper divisors (2436813435).

17057693989 is an equidigital number, since it uses as much as digits as its factorization.

17057693989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436813434.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 17057693989 in words is "seventeen billion, fifty-seven million, six hundred ninety-three thousand, nine hundred eighty-nine".