2011404839669 has 2 divisors, whose sum is σ = 2011404839670. Its totient is φ = 2011404839668.

The previous prime is 2011404839623. The next prime is 2011404839747. The reversal of 2011404839669 is 9669384041102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1772173312900 + 239231526769 = 1331230^2 + 489113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011404839669 - 2¹⁶ = 2011404774133 is a prime.

It is a super-2 number, since 2×2011404839669² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011404839669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011404139669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005702419834 + 1005702419835.

It is an arithmetic number, because the mean of its divisors is an integer number (1005702419835).

Almost surely, 2^{2011404839669} is an apocalyptic number.

It is an amenable number.

2011404839669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011404839669 is an equidigital number, since it uses as much as digits as its factorization.

2011404839669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 2011404839669 in words is "two trillion, eleven billion, four hundred four million, eight hundred thirty-nine thousand, six hundred sixty-nine".