11650590389 has 2 divisors, whose sum is σ = 11650590390. Its totient is φ = 11650590388.

The previous prime is 11650590379. The next prime is 11650590421. The reversal of 11650590389 is 98309505611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6491041489 + 5159548900 = 80567^2 + 71830^2 .

It is a cyclic number.

It is not a de Polignac number, because 11650590389 - 2²⁴ = 11633813173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11650590319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825295194 + 5825295195.

It is an arithmetic number, because the mean of its divisors is an integer number (5825295195).

Almost surely, 2^11650590389 is an apocalyptic number.

It is an amenable number.

11650590389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11650590389 is an equidigital number, since it uses as much as digits as its factorization.

11650590389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 11650590389 in words is "eleven billion, six hundred fifty million, five hundred ninety thousand, three hundred eighty-nine".