10390381265689 has 2 divisors, whose sum is σ = 10390381265690. Its totient is φ = 10390381265688.

The previous prime is 10390381265687. The next prime is 10390381265713. The reversal of 10390381265689 is 98656218309301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9731186665225 + 659194600464 = 3119485^2 + 811908^2 .

It is a cyclic number.

It is not a de Polignac number, because 10390381265689 - 2¹ = 10390381265687 is a prime.

It is a super-3 number, since 3×10390381265689³ (a number of 40 digits) contains 333 as substring.

Together with 10390381265687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10390381265687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195190632844 + 5195190632845.

It is an arithmetic number, because the mean of its divisors is an integer number (5195190632845).

Almost surely, 2^{10390381265689} is an apocalyptic number.

It is an amenable number.

10390381265689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10390381265689 is an equidigital number, since it uses as much as digits as its factorization.

10390381265689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 10390381265689 in words is "ten trillion, three hundred ninety billion, three hundred eighty-one million, two hundred sixty-five thousand, six hundred eighty-nine".