2008218973 has 2 divisors, whose sum is σ = 2008218974. Its totient is φ = 2008218972.

The previous prime is 2008218929. The next prime is 2008218983. The reversal of 2008218973 is 3798128002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1947721689 + 60497284 = 44133^2 + 7778^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008218973 - 2¹³ = 2008210781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2008218983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004109486 + 1004109487.

It is an arithmetic number, because the mean of its divisors is an integer number (1004109487).

Almost surely, 2^2008218973 is an apocalyptic number.

It is an amenable number.

2008218973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008218973 is an equidigital number, since it uses as much as digits as its factorization.

2008218973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2008218973 is about 44813.1562490303. The cubic root of 2008218973 is about 1261.6445673045.

The spelling of 2008218973 in words is "two billion, eight million, two hundred eighteen thousand, nine hundred seventy-three".