5728689698 has 4 divisors (see below), whose sum is σ = 8593034550. Its totient is φ = 2864344848.

The previous prime is 5728689643. The next prime is 5728689739. The reversal of 5728689698 is 8969868275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4788224809 + 940464889 = 69197^2 + 30667^2 .

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, 1432172423 + ... + 1432172426.

Almost surely, 2^5728689698 is an apocalyptic number.

5728689698 is a deficient number, since it is larger than the sum of its proper divisors (2864344852).

5728689698 is a wasteful number, since it uses less digits than its factorization.

5728689698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864344851.

The product of its digits is 104509440, while the sum is 68.

The square root of 5728689698 is about 75688.1080355428. The cubic root of 5728689698 is about 1789.3079831785.

The spelling of 5728689698 in words is "five billion, seven hundred twenty-eight million, six hundred eighty-nine thousand, six hundred ninety-eight".