4856481819 has 16 divisors (see below), whose sum is σ = 8222615040. Its totient is φ = 2775132360.

The previous prime is 4856481803. The next prime is 4856481823. The reversal of 4856481819 is 9181846584.

It is a happy number.

4856481819 is a `hidden beast` number, since 4 + 85 + 6 + 481 + 81 + 9 = 666.

It is not a de Polignac number, because 4856481819 - 2⁴ = 4856481803 is a prime.

It is a super-2 number, since 2×4856481819² = 47170831316555097522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4856481829) 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, 12847647 + ... + 12848024.

It is an arithmetic number, because the mean of its divisors is an integer number (513913440).

Almost surely, 2^4856481819 is an apocalyptic number.

4856481819 is a deficient number, since it is larger than the sum of its proper divisors (3366133221).

4856481819 is a wasteful number, since it uses less digits than its factorization.

4856481819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25695687 (or 25695681 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 4856481819 is about 69688.4625960424. The cubic root of 4856481819 is about 1693.4560205926.

The spelling of 4856481819 in words is "four billion, eight hundred fifty-six million, four hundred eighty-one thousand, eight hundred nineteen".