2210819987 has 2 divisors, whose sum is σ = 2210819988. Its totient is φ = 2210819986.

The previous prime is 2210819957. The next prime is 2210820043. The reversal of 2210819987 is 7899180122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2210819987 - 2¹⁰ = 2210818963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210819957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105409993 + 1105409994.

It is an arithmetic number, because the mean of its divisors is an integer number (1105409994).

Almost surely, 2^2210819987 is an apocalyptic number.

2210819987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210819987 is an equidigital number, since it uses as much as digits as its factorization.

2210819987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 2210819987 is about 47019.3575774914. The cubic root of 2210819987 is about 1302.7201400674.

The spelling of 2210819987 in words is "two billion, two hundred ten million, eight hundred nineteen thousand, nine hundred eighty-seven".