1708465968889 has 3 divisors (see below), whose sum is σ = 1708467275973. Its totient is φ = 1708464661806.

The previous prime is 1708465968883. The next prime is 1708465968931. The reversal of 1708465968889 is 9888695648071.

The square root of 1708465968889 is 1307083.

It is a perfect power (a square), and thus also a powerful number.

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 not a de Polignac number, because 1708465968889 - 2¹⁷ = 1708465837817 is a prime.

It is a super-3 number, since 3×1708465968889³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1708465968883) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 653542 + ... + 1960624.

It is an arithmetic number, because the mean of its divisors is an integer number (569489091991).

Almost surely, 2^{1708465968889} is an apocalyptic number.

1708465968889 is the 1307083-rd square number.

1708465968889 is the 653542-nd centered octagonal number.

It is an amenable number.

1708465968889 is a deficient number, since it is larger than the sum of its proper divisors (1307084).

1708465968889 is an frugal number, since it uses more digits than its factorization.

1708465968889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614166 (or 1307083 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 79.

The spelling of 1708465968889 in words is "one trillion, seven hundred eight billion, four hundred sixty-five million, nine hundred sixty-eight thousand, eight hundred eighty-nine".