2011143412469 has 2 divisors, whose sum is σ = 2011143412470. Its totient is φ = 2011143412468.

The previous prime is 2011143412457. The next prime is 2011143412471. The reversal of 2011143412469 is 9642143411102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1965758223025 + 45385189444 = 1402055^2 + 213038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011143412469 is a prime.

It is a super-2 number, since 2×2011143412469² (a number of 25 digits) contains 22 as substring.

Together with 2011143412471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011143415469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005571706234 + 1005571706235.

It is an arithmetic number, because the mean of its divisors is an integer number (1005571706235).

Almost surely, 2^{2011143412469} is an apocalyptic number.

It is an amenable number.

2011143412469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011143412469 is an equidigital number, since it uses as much as digits as its factorization.

2011143412469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 2011143412469 in words is "two trillion, eleven billion, one hundred forty-three million, four hundred twelve thousand, four hundred sixty-nine".