212598496069 has 2 divisors, whose sum is σ = 212598496070. Its totient is φ = 212598496068.

The previous prime is 212598496039. The next prime is 212598496169. The reversal of 212598496069 is 960694895212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130258193569 + 82340302500 = 360913^2 + 286950^2 .

It is a cyclic number.

It is not a de Polignac number, because 212598496069 - 2¹³ = 212598487877 is a prime.

It is a super-5 number, since 5×212598496069⁵ (a number of 58 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 212598495998 and 212598496016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212598496039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106299248034 + 106299248035.

It is an arithmetic number, because the mean of its divisors is an integer number (106299248035).

Almost surely, 2^212598496069 is an apocalyptic number.

It is an amenable number.

212598496069 is a deficient number, since it is larger than the sum of its proper divisors (1).

212598496069 is an equidigital number, since it uses as much as digits as its factorization.

212598496069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 212598496069 in words is "two hundred twelve billion, five hundred ninety-eight million, four hundred ninety-six thousand, sixty-nine".