698234432897 has 8 divisors (see below), whose sum is σ = 708713418240. Its totient is φ = 687796462080.

The previous prime is 698234432891. The next prime is 698234432933. The reversal of 698234432897 is 798234432896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 698234432897 - 2⁸ = 698234432641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698234432891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10219328 + ... + 10287425.

It is an arithmetic number, because the mean of its divisors is an integer number (88589177280).

Almost surely, 2^698234432897 is an apocalyptic number.

It is an amenable number.

698234432897 is a deficient number, since it is larger than the sum of its proper divisors (10478985343).

698234432897 is a wasteful number, since it uses less digits than its factorization.

698234432897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20507263.

The product of its digits is 125411328, while the sum is 65.

Subtracting 698234432897 from its reverse (798234432896), we obtain a palindrome (99999999999).

The spelling of 698234432897 in words is "six hundred ninety-eight billion, two hundred thirty-four million, four hundred thirty-two thousand, eight hundred ninety-seven".