1840466269 has 2 divisors, whose sum is σ = 1840466270. Its totient is φ = 1840466268.

The previous prime is 1840466267. The next prime is 1840466281. The reversal of 1840466269 is 9626640481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1180747044 + 659719225 = 34362^2 + 25685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1840466269 - 2¹ = 1840466267 is a prime.

It is a super-2 number, since 2×1840466269² = 6774632174653560722, which contains 22 as substring.

Together with 1840466267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1840466267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920233134 + 920233135.

It is an arithmetic number, because the mean of its divisors is an integer number (920233135).

Almost surely, 2^1840466269 is an apocalyptic number.

It is an amenable number.

1840466269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840466269 is an equidigital number, since it uses as much as digits as its factorization.

1840466269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 1840466269 is about 42900.6558108381. The cubic root of 1840466269 is about 1225.4886333874.

The spelling of 1840466269 in words is "one billion, eight hundred forty million, four hundred sixty-six thousand, two hundred sixty-nine".