1698968698 has 8 divisors (see below), whose sum is σ = 2912517792. Its totient is φ = 728129436.

The previous prime is 1698968659. The next prime is 1698968699. The reversal of 1698968698 is 8968698961.

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

It is not an unprimeable number, because it can be changed into a prime (1698968699) 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, 60677440 + ... + 60677467.

It is an arithmetic number, because the mean of its divisors is an integer number (364064724).

Almost surely, 2^1698968698 is an apocalyptic number.

1698968698 is a deficient number, since it is larger than the sum of its proper divisors (1213549094).

1698968698 is a wasteful number, since it uses less digits than its factorization.

1698968698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121354916.

The product of its digits is 80621568, while the sum is 70.

The square root of 1698968698 is about 41218.5479851001. The cubic root of 1698968698 is about 1193.2418016170.

The spelling of 1698968698 in words is "one billion, six hundred ninety-eight million, nine hundred sixty-eight thousand, six hundred ninety-eight".