21163532034 has 8 divisors (see below), whose sum is σ = 42327064080. Its totient is φ = 7054510676.

The previous prime is 21163532029. The next prime is 21163532059. The reversal of 21163532034 is 43023536112.

It is a sphenic number, since it is the product of 3 distinct primes.

21163532034 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21163531992 and 21163532010.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1763627664 + ... + 1763627675.

It is an arithmetic number, because the mean of its divisors is an integer number (5290883010).

Almost surely, 2^21163532034 is an apocalyptic number.

21163532034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21163532034 is a wasteful number, since it uses less digits than its factorization.

21163532034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527255344.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 21163532034 in words is "twenty-one billion, one hundred sixty-three million, five hundred thirty-two thousand, thirty-four".