10170117409 has 3 divisors (see below), whose sum is σ = 10170218257. Its totient is φ = 10170016562.

The previous prime is 10170117401. The next prime is 10170117427. The reversal of 10170117409 is 90471107101.

The square root of 10170117409 is 100847.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90471107101 = 13933 ⋅6493297.

It is not a de Polignac number, because 10170117409 - 2³ = 10170117401 is a prime.

It is a super-2 number, since 2×10170117409² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10170117401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50424 + ... + 151270.

Almost surely, 2^10170117409 is an apocalyptic number.

10170117409 is the 100847-th square number.

10170117409 is the 50424-th centered octagonal number.

It is an amenable number.

10170117409 is a deficient number, since it is larger than the sum of its proper divisors (100848).

10170117409 is an frugal number, since it uses more digits than its factorization.

10170117409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201694 (or 100847 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 31.

Multiplying 10170117409 by its product of nonzero digits (1764), we get a square (17940087109476 = 4235574²).

The spelling of 10170117409 in words is "ten billion, one hundred seventy million, one hundred seventeen thousand, four hundred nine".