17272220669485 has 16 divisors (see below), whose sum is σ = 20901744230400. Its totient is φ = 13701180640896.

The previous prime is 17272220669477. The next prime is 17272220669491. The reversal of 17272220669485 is 58496602227271.

It is a cyclic number.

It is not a de Polignac number, because 17272220669485 - 2³ = 17272220669477 is a prime.

It is a super-2 number, since 2×17272220669485² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6614800 + ... + 8848729.

It is an arithmetic number, because the mean of its divisors is an integer number (1306359014400).

Almost surely, 2^{17272220669485} is an apocalyptic number.

It is an amenable number.

17272220669485 is a deficient number, since it is larger than the sum of its proper divisors (3629523560915).

17272220669485 is a wasteful number, since it uses less digits than its factorization.

17272220669485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465420.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 17272220669485 in words is "seventeen trillion, two hundred seventy-two billion, two hundred twenty million, six hundred sixty-nine thousand, four hundred eighty-five".