212603036489 has 2 divisors, whose sum is σ = 212603036490. Its totient is φ = 212603036488.

The previous prime is 212603036449. The next prime is 212603036501. The reversal of 212603036489 is 984630306212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114712270864 + 97890765625 = 338692^2 + 312875^2 .

It is a cyclic number.

It is not a de Polignac number, because 212603036489 - 2²⁴ = 212586259273 is a prime.

It is a super-2 number, since 2×212603036489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212603036449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106301518244 + 106301518245.

It is an arithmetic number, because the mean of its divisors is an integer number (106301518245).

Almost surely, 2^212603036489 is an apocalyptic number.

It is an amenable number.

212603036489 is a deficient number, since it is larger than the sum of its proper divisors (1).

212603036489 is an equidigital number, since it uses as much as digits as its factorization.

212603036489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 212603036489 in words is "two hundred twelve billion, six hundred three million, thirty-six thousand, four hundred eighty-nine".