212067792389 has 2 divisors, whose sum is σ = 212067792390. Its totient is φ = 212067792388.

The previous prime is 212067792361. The next prime is 212067792427. The reversal of 212067792389 is 983297760212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207191563489 + 4876228900 = 455183^2 + 69830^2 .

It is a cyclic number.

It is not a de Polignac number, because 212067792389 - 2¹⁶ = 212067726853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212067792319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106033896194 + 106033896195.

It is an arithmetic number, because the mean of its divisors is an integer number (106033896195).

Almost surely, 2^212067792389 is an apocalyptic number.

It is an amenable number.

212067792389 is a deficient number, since it is larger than the sum of its proper divisors (1).

212067792389 is an equidigital number, since it uses as much as digits as its factorization.

212067792389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 212067792389 in words is "two hundred twelve billion, sixty-seven million, seven hundred ninety-two thousand, three hundred eighty-nine".