21034505433010 has 8 divisors (see below), whose sum is σ = 37862109779436. Its totient is φ = 8413802173200.

The previous prime is 21034505432987. The next prime is 21034505433079. The reversal of 21034505433010 is 1033450543012.

It can be written as a sum of positive squares in 2 ways, for example, as 20276315543929 + 758189889081 = 4502923^2 + 870741^2 .

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

It is a super-2 number, since 2×21034505433010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051725271641 + ... + 1051725271660.

Almost surely, 2^{21034505433010} is an apocalyptic number.

21034505433010 is a deficient number, since it is larger than the sum of its proper divisors (16827604346426).

21034505433010 is a wasteful number, since it uses less digits than its factorization.

21034505433010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103450543308.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 21034505433010 its reverse (1033450543012), we get a palindrome (22067955976022).

The spelling of 21034505433010 in words is "twenty-one trillion, thirty-four billion, five hundred five million, four hundred thirty-three thousand, ten".