1634234563 has 24 divisors (see below), whose sum is σ = 1803873456. Its totient is φ = 1479628800.

The previous prime is 1634234561. The next prime is 1634234653. The reversal of 1634234563 is 3654324361.

It is not a de Polignac number, because 1634234563 - 2¹ = 1634234561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1634234561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2147103 + ... + 2147863.

It is an arithmetic number, because the mean of its divisors is an integer number (75161394).

Almost surely, 2^1634234563 is an apocalyptic number.

1634234563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1634234563 is a deficient number, since it is larger than the sum of its proper divisors (169638893).

1634234563 is a wasteful number, since it uses less digits than its factorization.

1634234563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015 (or 1002 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 1634234563 is about 40425.6671311680. The cubic root of 1634234563 is about 1177.8901691286.

It can be divided in two parts, 16342 and 34563, that added together give a palindrome (50905).

The spelling of 1634234563 in words is "one billion, six hundred thirty-four million, two hundred thirty-four thousand, five hundred sixty-three".