6561069234 has 16 divisors (see below), whose sum is σ = 13128186720. Its totient is φ = 2186015040.

The previous prime is 6561069223. The next prime is 6561069257. The reversal of 6561069234 is 4329601656.

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, 237847 + ... + 263994.

It is an arithmetic number, because the mean of its divisors is an integer number (820511670).

Almost surely, 2^6561069234 is an apocalyptic number.

6561069234 is an abundant number, since it is smaller than the sum of its proper divisors (6567117486).

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

6561069234 is a wasteful number, since it uses less digits than its factorization.

6561069234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504025.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6561069234 is about 81000.4273692429. The cubic root of 6561069234 is about 1872.0820256583.

The spelling of 6561069234 in words is "six billion, five hundred sixty-one million, sixty-nine thousand, two hundred thirty-four".