6425334565 has 16 divisors (see below), whose sum is σ = 8310089088. Its totient is φ = 4741102656.

The previous prime is 6425334563. The next prime is 6425334583. The reversal of 6425334565 is 5654335246.

It is a cyclic number.

It is not a de Polignac number, because 6425334565 - 2¹ = 6425334563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425334563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44872 + ... + 121918.

It is an arithmetic number, because the mean of its divisors is an integer number (519380568).

Almost surely, 2^6425334565 is an apocalyptic number.

6425334565 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6425334565 is a deficient number, since it is larger than the sum of its proper divisors (1884754523).

6425334565 is a wasteful number, since it uses less digits than its factorization.

6425334565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78348.

The product of its digits is 1296000, while the sum is 43.

The square root of 6425334565 is about 80158.1846413702. The cubic root of 6425334565 is about 1859.0821544837.

The spelling of 6425334565 in words is "six billion, four hundred twenty-five million, three hundred thirty-four thousand, five hundred sixty-five".