10689904399 has 2 divisors, whose sum is σ = 10689904400. Its totient is φ = 10689904398.

The previous prime is 10689904367. The next prime is 10689904403. The reversal of 10689904399 is 99340998601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10689904399 - 2⁵ = 10689904367 is a prime.

It is a super-2 number, since 2×10689904399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10689904319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5344952199 + 5344952200.

It is an arithmetic number, because the mean of its divisors is an integer number (5344952200).

Almost surely, 2^10689904399 is an apocalyptic number.

10689904399 is a deficient number, since it is larger than the sum of its proper divisors (1).

10689904399 is an equidigital number, since it uses as much as digits as its factorization.

10689904399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 58.

The spelling of 10689904399 in words is "ten billion, six hundred eighty-nine million, nine hundred four thousand, three hundred ninety-nine".