2400111269 has 2 divisors, whose sum is σ = 2400111270. Its totient is φ = 2400111268.

The previous prime is 2400111211. The next prime is 2400111271. The reversal of 2400111269 is 9621110042.

2400111269 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 can be written as a sum of positive squares in only one way, i.e., 1812630625 + 587480644 = 42575^2 + 24238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400111269 - 2²⁰ = 2399062693 is a prime.

It is a super-2 number, since 2×2400111269² = 11521068207161580722, which contains 22 as substring.

Together with 2400111271, 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 (2400111569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200055634 + 1200055635.

It is an arithmetic number, because the mean of its divisors is an integer number (1200055635).

Almost surely, 2^2400111269 is an apocalyptic number.

It is an amenable number.

2400111269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400111269 is an equidigital number, since it uses as much as digits as its factorization.

2400111269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2400111269 is about 48990.9304769771. The cubic root of 2400111269 is about 1338.8865907154.

The spelling of 2400111269 in words is "two billion, four hundred million, one hundred eleven thousand, two hundred sixty-nine".