1834789663 has 16 divisors (see below), whose sum is σ = 2252320000. Its totient is φ = 1489899096.

The previous prime is 1834789657. The next prime is 1834789667. The reversal of 1834789663 is 3669874381.

It is a happy number.

It is not a de Polignac number, because 1834789663 - 2¹⁷ = 1834658591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834789667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134253 + ... + 147286.

It is an arithmetic number, because the mean of its divisors is an integer number (140770000).

Almost surely, 2^1834789663 is an apocalyptic number.

1834789663 is a deficient number, since it is larger than the sum of its proper divisors (417530337).

1834789663 is an equidigital number, since it uses as much as digits as its factorization.

1834789663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281579 (or 281565 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 1834789663 is about 42834.4448195608. Note that the first 3 decimals coincide. The cubic root of 1834789663 is about 1224.2273985408.

The spelling of 1834789663 in words is "one billion, eight hundred thirty-four million, seven hundred eighty-nine thousand, six hundred sixty-three".