10390381265389 has 2 divisors, whose sum is σ = 10390381265390. Its totient is φ = 10390381265388.

The previous prime is 10390381265357. The next prime is 10390381265413. The reversal of 10390381265389 is 98356218309301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7855312269289 + 2535068996100 = 2802733^2 + 1592190^2 .

It is a cyclic number.

It is not a de Polignac number, because 10390381265389 - 2⁵ = 10390381265357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10390381265689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195190632694 + 5195190632695.

It is an arithmetic number, because the mean of its divisors is an integer number (5195190632695).

Almost surely, 2^{10390381265389} is an apocalyptic number.

It is an amenable number.

10390381265389 is a deficient number, since it is larger than the sum of its proper divisors (1).

10390381265389 is an equidigital number, since it uses as much as digits as its factorization.

10390381265389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 10390381265389 in words is "ten trillion, three hundred ninety billion, three hundred eighty-one million, two hundred sixty-five thousand, three hundred eighty-nine".