210233233009 has 2 divisors, whose sum is σ = 210233233010. Its totient is φ = 210233233008.

The previous prime is 210233232899. The next prime is 210233233037. The reversal of 210233233009 is 900332332012.

It is a happy number.

It is an a-pointer prime, because the next prime (210233233037) can be obtained adding 210233233009 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205295079025 + 4938153984 = 453095^2 + 70272^2 .

It is a cyclic number.

It is not a de Polignac number, because 210233233009 - 2²¹ = 210231135857 is a prime.

It is a super-2 number, since 2×210233233009² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210233233069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116616504 + 105116616505.

It is an arithmetic number, because the mean of its divisors is an integer number (105116616505).

Almost surely, 2^210233233009 is an apocalyptic number.

It is an amenable number.

210233233009 is a deficient number, since it is larger than the sum of its proper divisors (1).

210233233009 is an equidigital number, since it uses as much as digits as its factorization.

210233233009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 210233233009 in words is "two hundred ten billion, two hundred thirty-three million, two hundred thirty-three thousand, nine".