17172199045 has 8 divisors (see below), whose sum is σ = 20610898560. Its totient is φ = 13734919440.

The previous prime is 17172199007. The next prime is 17172199049. The reversal of 17172199045 is 54099127171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17172199045 - 2¹¹ = 17172196997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17172198986 and 17172199004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17172199049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328185 + ... + 376894.

It is an arithmetic number, because the mean of its divisors is an integer number (2576362320).

Almost surely, 2^17172199045 is an apocalyptic number.

It is an amenable number.

17172199045 is a deficient number, since it is larger than the sum of its proper divisors (3438699515).

17172199045 is an equidigital number, since it uses as much as digits as its factorization.

17172199045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709955.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 17172199045 in words is "seventeen billion, one hundred seventy-two million, one hundred ninety-nine thousand, forty-five".