1709668898 has 48 divisors (see below), whose sum is σ = 3076030080. Its totient is φ = 710218656.

The previous prime is 1709668897. The next prime is 1709668921. The reversal of 1709668898 is 8988669071.

It is a self number, because there is not a number n which added to its sum of digits gives 1709668898.

It is not an unprimeable number, because it can be changed into a prime (1709668897) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 491108 + ... + 494576.

It is an arithmetic number, because the mean of its divisors is an integer number (64083960).

Almost surely, 2^1709668898 is an apocalyptic number.

1709668898 is a deficient number, since it is larger than the sum of its proper divisors (1366361182).

1709668898 is a wasteful number, since it uses less digits than its factorization.

1709668898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 62.

The square root of 1709668898 is about 41348.1426185022. The cubic root of 1709668898 is about 1195.7415955536.

The spelling of 1709668898 in words is "one billion, seven hundred nine million, six hundred sixty-eight thousand, eight hundred ninety-eight".