4875622181 has 2 divisors, whose sum is σ = 4875622182. Its totient is φ = 4875622180.

The previous prime is 4875622177. The next prime is 4875622183. The reversal of 4875622181 is 1812265784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4726562500 + 149059681 = 68750^2 + 12209^2 .

It is a cyclic number.

It is not a de Polignac number, because 4875622181 - 2² = 4875622177 is a prime.

It is a super-2 number, since 2×4875622181² = 47543383303718393522, which contains 22 as substring.

Together with 4875622183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4875622183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2437811090 + 2437811091.

It is an arithmetic number, because the mean of its divisors is an integer number (2437811091).

Almost surely, 2^4875622181 is an apocalyptic number.

It is an amenable number.

4875622181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4875622181 is an equidigital number, since it uses as much as digits as its factorization.

4875622181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 44.

The square root of 4875622181 is about 69825.6556073769. The cubic root of 4875622181 is about 1695.6778533899.

The spelling of 4875622181 in words is "four billion, eight hundred seventy-five million, six hundred twenty-two thousand, one hundred eighty-one".