4905256865 has 8 divisors (see below), whose sum is σ = 5889259008. Its totient is φ = 3922238320.

The previous prime is 4905256841. The next prime is 4905256903. The reversal of 4905256865 is 5686525094.

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

It is not a de Polignac number, because 4905256865 - 2⁶ = 4905256801 is a prime.

It is a Duffinian 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, 234881 + ... + 254910.

It is an arithmetic number, because the mean of its divisors is an integer number (736157376).

Almost surely, 2^4905256865 is an apocalyptic number.

It is an amenable number.

4905256865 is a deficient number, since it is larger than the sum of its proper divisors (984002143).

4905256865 is a wasteful number, since it uses less digits than its factorization.

4905256865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491799.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The square root of 4905256865 is about 70037.5389701837. The cubic root of 4905256865 is about 1699.1064352454.

The spelling of 4905256865 in words is "four billion, nine hundred five million, two hundred fifty-six thousand, eight hundred sixty-five".