17068820961 has 4 divisors (see below), whose sum is σ = 22758427952. Its totient is φ = 11379213972.

The previous prime is 17068820953. The next prime is 17068821013. The reversal of 17068820961 is 16902886071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 17068820961 - 2³ = 17068820953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17068820961.

It is not an unprimeable number, because it can be changed into a prime (17068820911) 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, 2844803491 + ... + 2844803496.

It is an arithmetic number, because the mean of its divisors is an integer number (5689606988).

Almost surely, 2^17068820961 is an apocalyptic number.

It is an amenable number.

17068820961 is a deficient number, since it is larger than the sum of its proper divisors (5689606991).

17068820961 is an equidigital number, since it uses as much as digits as its factorization.

17068820961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689606990.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 17068820961 in words is "seventeen billion, sixty-eight million, eight hundred twenty thousand, nine hundred sixty-one".