21034534002 has 16 divisors (see below), whose sum is σ = 42502770912. Its totient is φ = 6939227520.

The previous prime is 21034533991. The next prime is 21034534021. The reversal of 21034534002 is 20043543012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18070324 + ... + 18071487.

It is an arithmetic number, because the mean of its divisors is an integer number (2656423182).

Almost surely, 2^21034534002 is an apocalyptic number.

21034534002 is an abundant number, since it is smaller than the sum of its proper divisors (21468236910).

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

21034534002 is a wasteful number, since it uses less digits than its factorization.

21034534002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36141913.

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 21034534002 in words is "twenty-one billion, thirty-four million, five hundred thirty-four thousand, two".