21035333034 has 12 divisors (see below), whose sum is σ = 45576554946. Its totient is φ = 7011777672.

The previous prime is 21035333017. The next prime is 21035333057. The reversal of 21035333034 is 43033353012.

It is a happy number.

21035333034 is a `hidden beast` number, since 2 + 1 + 0 + 353 + 3 + 303 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20607463809 + 427869225 = 143553^2 + 20685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21035332989 and 21035333007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 584314789 + ... + 584314824.

Almost surely, 2^21035333034 is an apocalyptic number.

21035333034 is an abundant number, since it is smaller than the sum of its proper divisors (24541221912).

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

21035333034 is a wasteful number, since it uses less digits than its factorization.

21035333034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168629621 (or 1168629618 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

Adding to 21035333034 its reverse (43033353012), we get a palindrome (64068686046).

The spelling of 21035333034 in words is "twenty-one billion, thirty-five million, three hundred thirty-three thousand, thirty-four".