2861888201 has 2 divisors, whose sum is σ = 2861888202. Its totient is φ = 2861888200.

The previous prime is 2861888153. The next prime is 2861888203. The reversal of 2861888201 is 1028881682.

It is a happy number.

2861888201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2796294400 + 65593801 = 52880^2 + 8099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2861888201 - 2¹⁸ = 2861626057 is a prime.

It is a Sophie Germain prime.

Together with 2861888203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2861888203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430944100 + 1430944101.

It is an arithmetic number, because the mean of its divisors is an integer number (1430944101).

Almost surely, 2^2861888201 is an apocalyptic number.

It is an amenable number.

2861888201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2861888201 is an equidigital number, since it uses as much as digits as its factorization.

2861888201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 44.

The square root of 2861888201 is about 53496.6185940756. The cubic root of 2861888201 is about 1419.7685599464.

The spelling of 2861888201 in words is "two billion, eight hundred sixty-one million, eight hundred eighty-eight thousand, two hundred one".