17099075947 has 4 divisors (see below), whose sum is σ = 17496728920. Its totient is φ = 16701422976.

The previous prime is 17099075927. The next prime is 17099075999. The reversal of 17099075947 is 74957099071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74957099071 = 149 ⋅503067779.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17099075947 is a prime.

It is a super-3 number, since 3×17099075947³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17099075891 and 17099075900.

It is not an unprimeable number, because it can be changed into a prime (17099075927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198826422 + ... + 198826507.

It is an arithmetic number, because the mean of its divisors is an integer number (4374182230).

Almost surely, 2^17099075947 is an apocalyptic number.

17099075947 is a deficient number, since it is larger than the sum of its proper divisors (397652973).

17099075947 is an equidigital number, since it uses as much as digits as its factorization.

17099075947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397652972.

The product of its (nonzero) digits is 5000940, while the sum is 58.

The spelling of 17099075947 in words is "seventeen billion, ninety-nine million, seventy-five thousand, nine hundred forty-seven".