17620086949085 has 4 divisors (see below), whose sum is σ = 21144104338908. Its totient is φ = 14096069559264.

The previous prime is 17620086949051. The next prime is 17620086949097. The reversal of 17620086949085 is 58094968002671.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9916692250084 + 7703394699001 = 3149078^2 + 2775499^2 .

It is a cyclic number.

It is not a de Polignac number, because 17620086949085 - 2⁸ = 17620086948829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1762008694904 + ... + 1762008694913.

It is an arithmetic number, because the mean of its divisors is an integer number (5286026084727).

Almost surely, 2^{17620086949085} is an apocalyptic number.

It is an amenable number.

17620086949085 is a deficient number, since it is larger than the sum of its proper divisors (3524017389823).

17620086949085 is an equidigital number, since it uses as much as digits as its factorization.

17620086949085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524017389822.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 17620086949085 in words is "seventeen trillion, six hundred twenty billion, eighty-six million, nine hundred forty-nine thousand, eighty-five".