212963364549 has 12 divisors (see below), whose sum is σ = 331276345036. Its totient is φ = 131054378112.

The previous prime is 212963364547. The next prime is 212963364569. The reversal of 212963364549 is 945463369212.

212963364549 is a `hidden beast` number, since 2 + 1 + 2 + 9 + 6 + 33 + 64 + 549 = 666.

212963364549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62741232324 + 150222132225 = 250482^2 + 387585^2 .

It is not a de Polignac number, because 212963364549 - 2¹ = 212963364547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212963364495 and 212963364504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212963364541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910099732 + ... + 910099965.

Almost surely, 2^212963364549 is an apocalyptic number.

It is an amenable number.

212963364549 is a deficient number, since it is larger than the sum of its proper divisors (118312980487).

212963364549 is a wasteful number, since it uses less digits than its factorization.

212963364549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820199716 (or 1820199713 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The spelling of 212963364549 in words is "two hundred twelve billion, nine hundred sixty-three million, three hundred sixty-four thousand, five hundred forty-nine".