17240797363891 has 4 divisors (see below), whose sum is σ = 17240806724400. Its totient is φ = 17240788003384.

The previous prime is 17240797363871. The next prime is 17240797363919. The reversal of 17240797363891 is 19836379704271.

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.

It is a cyclic number.

It is not a de Polignac number, because 17240797363891 - 2¹³ = 17240797355699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17240797363871) 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, 899311 + ... + 5940568.

It is an arithmetic number, because the mean of its divisors is an integer number (4310201681100).

Almost surely, 2^{17240797363891} is an apocalyptic number.

17240797363891 is a deficient number, since it is larger than the sum of its proper divisors (9360509).

17240797363891 is an equidigital number, since it uses as much as digits as its factorization.

17240797363891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9360508.

The product of its (nonzero) digits is 96018048, while the sum is 67.

The spelling of 17240797363891 in words is "seventeen trillion, two hundred forty billion, seven hundred ninety-seven million, three hundred sixty-three thousand, eight hundred ninety-one".