1640136001589 has 2 divisors, whose sum is σ = 1640136001590. Its totient is φ = 1640136001588.

The previous prime is 1640136001549. The next prime is 1640136001639. The reversal of 1640136001589 is 9851006310461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1212344134225 + 427791867364 = 1101065^2 + 654058^2 .

It is an emirp because it is prime and its reverse (9851006310461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1640136001589 - 2²⁰ = 1640134953013 is a prime.

It is a super-2 number, since 2×1640136001589² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1640136001549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820068000794 + 820068000795.

It is an arithmetic number, because the mean of its divisors is an integer number (820068000795).

Almost surely, 2^{1640136001589} is an apocalyptic number.

It is an amenable number.

1640136001589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1640136001589 is an equidigital number, since it uses as much as digits as its factorization.

1640136001589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 1640136001589 in words is "one trillion, six hundred forty billion, one hundred thirty-six million, one thousand, five hundred eighty-nine".