6434234565 has 16 divisors (see below), whose sum is σ = 11230664256. Its totient is φ = 3119628800.

The previous prime is 6434234551. The next prime is 6434234603. The reversal of 6434234565 is 5654324346.

It is a happy number.

It is not a de Polignac number, because 6434234565 - 2⁴ = 6434234549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19497516 + ... + 19497845.

It is an arithmetic number, because the mean of its divisors is an integer number (701916516).

Almost surely, 2^6434234565 is an apocalyptic number.

It is an amenable number.

6434234565 is a deficient number, since it is larger than the sum of its proper divisors (4796429691).

6434234565 is a wasteful number, since it uses less digits than its factorization.

6434234565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38995380.

The product of its digits is 1036800, while the sum is 42.

The square root of 6434234565 is about 80213.6806598475. The cubic root of 6434234565 is about 1859.9401226533.

The spelling of 6434234565 in words is "six billion, four hundred thirty-four million, two hundred thirty-four thousand, five hundred sixty-five".