4856506781 has 8 divisors (see below), whose sum is σ = 5574745920. Its totient is φ = 4144380768.

The previous prime is 4856506727. The next prime is 4856506789. The reversal of 4856506781 is 1876056584.

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

It is not a de Polignac number, because 4856506781 - 2¹⁰ = 4856505757 is a prime.

It is a super-2 number, since 2×4856506781² = 47171316227797963922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4856506789) 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, 1526576 + ... + 1529753.

It is an arithmetic number, because the mean of its divisors is an integer number (696843240).

Almost surely, 2^4856506781 is an apocalyptic number.

It is an amenable number.

4856506781 is a deficient number, since it is larger than the sum of its proper divisors (718239139).

4856506781 is a wasteful number, since it uses less digits than its factorization.

4856506781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056563.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 4856506781 is about 69688.6416928900. The cubic root of 4856506781 is about 1693.4589220055.

The spelling of 4856506781 in words is "four billion, eight hundred fifty-six million, five hundred six thousand, seven hundred eighty-one".