4894227181 has 2 divisors, whose sum is σ = 4894227182. Its totient is φ = 4894227180.

The previous prime is 4894227029. The next prime is 4894227199. The reversal of 4894227181 is 1817224984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4404313225 + 489913956 = 66365^2 + 22134^2 .

It is a cyclic number.

It is not a de Polignac number, because 4894227181 - 2²¹ = 4892130029 is a prime.

It is a super-4 number, since 4×4894227181⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4894227581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2447113590 + 2447113591.

It is an arithmetic number, because the mean of its divisors is an integer number (2447113591).

Almost surely, 2^4894227181 is an apocalyptic number.

It is an amenable number.

4894227181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894227181 is an equidigital number, since it uses as much as digits as its factorization.

4894227181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 46.

The square root of 4894227181 is about 69958.7534265727. The cubic root of 4894227181 is about 1697.8319745658.

The spelling of 4894227181 in words is "four billion, eight hundred ninety-four million, two hundred twenty-seven thousand, one hundred eighty-one".