13434523566 has 16 divisors (see below), whose sum is σ = 26870804688. Its totient is φ = 4477881600.

The previous prime is 13434523549. The next prime is 13434523573. The reversal of 13434523566 is 66532543431.

It is a congruent number.

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, 39486 + ... + 168606.

It is an arithmetic number, because the mean of its divisors is an integer number (1679425293).

Almost surely, 2^13434523566 is an apocalyptic number.

13434523566 is an abundant number, since it is smaller than the sum of its proper divisors (13436281122).

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

13434523566 is a wasteful number, since it uses less digits than its factorization.

13434523566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146467.

The product of its digits is 777600, while the sum is 42.

The spelling of 13434523566 in words is "thirteen billion, four hundred thirty-four million, five hundred twenty-three thousand, five hundred sixty-six".