21734135535030 has 64 divisors (see below), whose sum is σ = 52266206361600. Its totient is φ = 5784193958400.

The previous prime is 21734135534999. The next prime is 21734135535053. The reversal of 21734135535030 is 3053553143712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30598651 + ... + 31300889.

It is an arithmetic number, because the mean of its divisors is an integer number (816659474400).

Almost surely, 2^{21734135535030} is an apocalyptic number.

21734135535030 is an abundant number, since it is smaller than the sum of its proper divisors (30532070826570).

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

21734135535030 is a wasteful number, since it uses less digits than its factorization.

21734135535030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704309.

The product of its (nonzero) digits is 567000, while the sum is 42.

Adding to 21734135535030 its reverse (3053553143712), we get a palindrome (24787688678742).

The spelling of 21734135535030 in words is "twenty-one trillion, seven hundred thirty-four billion, one hundred thirty-five million, five hundred thirty-five thousand, thirty".