1840342753 has 2 divisors, whose sum is σ = 1840342754. Its totient is φ = 1840342752.

The previous prime is 1840342739. The next prime is 1840342759. The reversal of 1840342753 is 3572430481.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1780249249 + 60093504 = 42193^2 + 7752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1840342753 is a prime.

It is a super-2 number, since 2×1840342753² = 6773722897039238018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1840342759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920171376 + 920171377.

It is an arithmetic number, because the mean of its divisors is an integer number (920171377).

Almost surely, 2^1840342753 is an apocalyptic number.

It is an amenable number.

1840342753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840342753 is an equidigital number, since it uses as much as digits as its factorization.

1840342753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1840342753 is about 42899.2162282716. The cubic root of 1840342753 is about 1225.4612180809.

The spelling of 1840342753 in words is "one billion, eight hundred forty million, three hundred forty-two thousand, seven hundred fifty-three".