725688598598 has 4 divisors (see below), whose sum is σ = 1088532897900. Its totient is φ = 362844299298.

The previous prime is 725688598483. The next prime is 725688598619. The reversal of 725688598598 is 895895886527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 895895886527 = 17 ⋅52699758031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181422149648 + ... + 181422149651.

It is an arithmetic number, because the mean of its divisors is an integer number (272133224475).

Almost surely, 2^725688598598 is an apocalyptic number.

725688598598 is a deficient number, since it is larger than the sum of its proper divisors (362844299302).

725688598598 is a wasteful number, since it uses less digits than its factorization.

725688598598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362844299301.

The product of its digits is 3483648000, while the sum is 80.

The spelling of 725688598598 in words is "seven hundred twenty-five billion, six hundred eighty-eight million, five hundred ninety-eight thousand, five hundred ninety-eight".