4256663009 has 8 divisors (see below), whose sum is σ = 4461892512. Its totient is φ = 4056262560.

The previous prime is 4256662957. The next prime is 4256663017. The reversal of 4256663009 is 9003666524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4256663009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256663209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205459 + ... + 1208984.

It is an arithmetic number, because the mean of its divisors is an integer number (557736564).

Almost surely, 2^4256663009 is an apocalyptic number.

It is an amenable number.

4256663009 is a deficient number, since it is larger than the sum of its proper divisors (205229503).

4256663009 is a wasteful number, since it uses less digits than its factorization.

4256663009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414527.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 4256663009 is about 65243.1069845696. The cubic root of 4256663009 is about 1620.6519513065.

The spelling of 4256663009 in words is "four billion, two hundred fifty-six million, six hundred sixty-three thousand, nine".