10689904398 has 8 divisors (see below), whose sum is σ = 21379808808. Its totient is φ = 3563301464.

The previous prime is 10689904367. The next prime is 10689904399. The reversal of 10689904398 is 89340998601.

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

10689904398 is an admirable number.

It is a super-2 number, since 2×10689904398² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10689904399) 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, 890825361 + ... + 890825372.

It is an arithmetic number, because the mean of its divisors is an integer number (2672476101).

Almost surely, 2^10689904398 is an apocalyptic number.

10689904398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10689904398 is a wasteful number, since it uses less digits than its factorization.

10689904398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781650738.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 10689904398 in words is "ten billion, six hundred eighty-nine million, nine hundred four thousand, three hundred ninety-eight".