4556820381 has 32 divisors (see below), whose sum is σ = 6374206080. Its totient is φ = 2893169664.

The previous prime is 4556820371. The next prime is 4556820383. The reversal of 4556820381 is 1830286554.

It is not a de Polignac number, because 4556820381 - 2⁵ = 4556820349 is a prime.

It is a super-2 number, since 2×4556820381² = 41529223969393970322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4556820383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835395 + ... + 840831.

It is an arithmetic number, because the mean of its divisors is an integer number (199193940).

Almost surely, 2^4556820381 is an apocalyptic number.

It is an amenable number.

4556820381 is a deficient number, since it is larger than the sum of its proper divisors (1817385699).

4556820381 is a wasteful number, since it uses less digits than its factorization.

4556820381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 4556820381 is about 67504.2249122231. The cubic root of 4556820381 is about 1657.8833501541.

The spelling of 4556820381 in words is "four billion, five hundred fifty-six million, eight hundred twenty thousand, three hundred eighty-one".