2689309111 has 2 divisors, whose sum is σ = 2689309112. Its totient is φ = 2689309110.

The previous prime is 2689309061. The next prime is 2689309141. The reversal of 2689309111 is 1119039862.

2689309111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2689309111 - 2¹³ = 2689300919 is a prime.

It is a super-2 number, since 2×2689309111² = 14464766989015220642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2689309141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344654555 + 1344654556.

It is an arithmetic number, because the mean of its divisors is an integer number (1344654556).

Almost surely, 2^2689309111 is an apocalyptic number.

2689309111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689309111 is an equidigital number, since it uses as much as digits as its factorization.

2689309111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 2689309111 is about 51858.5490637754. The cubic root of 2689309111 is about 1390.6363408012.

The spelling of 2689309111 in words is "two billion, six hundred eighty-nine million, three hundred nine thousand, one hundred eleven".