698066164073 has 4 divisors (see below), whose sum is σ = 722137411140. Its totient is φ = 673994917008.

The previous prime is 698066164051. The next prime is 698066164091. The reversal of 698066164073 is 370461660896.

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 169845367129 + 528220796944 = 412123^2 + 726788^2 .

It is a cyclic number.

It is not a de Polignac number, because 698066164073 - 2²⁴ = 698049386857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698066164043) 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, 12035623490 + ... + 12035623547.

It is an arithmetic number, because the mean of its divisors is an integer number (180534352785).

Almost surely, 2^698066164073 is an apocalyptic number.

It is an amenable number.

698066164073 is a deficient number, since it is larger than the sum of its proper divisors (24071247067).

698066164073 is a wasteful number, since it uses less digits than its factorization.

698066164073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24071247066.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 698066164073 in words is "six hundred ninety-eight billion, sixty-six million, one hundred sixty-four thousand, seventy-three".