6435256265 has 16 divisors (see below), whose sum is σ = 7961234688. Its totient is φ = 4989980736.

The previous prime is 6435256207. The next prime is 6435256271. The reversal of 6435256265 is 5626525346.

It is a cyclic number.

It is not a de Polignac number, because 6435256265 - 2¹⁰ = 6435255241 is a prime.

It is a Duffinian 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, 17477 + ... + 114786.

It is an arithmetic number, because the mean of its divisors is an integer number (497577168).

Almost surely, 2^6435256265 is an apocalyptic number.

It is an amenable number.

6435256265 is a deficient number, since it is larger than the sum of its proper divisors (1525978423).

6435256265 is a wasteful number, since it uses less digits than its factorization.

6435256265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132568.

The product of its digits is 1296000, while the sum is 44.

The square root of 6435256265 is about 80220.0490214261. The cubic root of 6435256265 is about 1860.0385648342.

The spelling of 6435256265 in words is "six billion, four hundred thirty-five million, two hundred fifty-six thousand, two hundred sixty-five".