213197858267 has 2 divisors, whose sum is σ = 213197858268. Its totient is φ = 213197858266.

The previous prime is 213197858147. The next prime is 213197858273. The reversal of 213197858267 is 762858791312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213197858267 - 2⁸ = 213197858011 is a prime.

It is not a weakly prime, because it can be changed into another prime (213190858267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106598929133 + 106598929134.

It is an arithmetic number, because the mean of its divisors is an integer number (106598929134).

Almost surely, 2^213197858267 is an apocalyptic number.

213197858267 is a deficient number, since it is larger than the sum of its proper divisors (1).

213197858267 is an equidigital number, since it uses as much as digits as its factorization.

213197858267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 59.

The spelling of 213197858267 in words is "two hundred thirteen billion, one hundred ninety-seven million, eight hundred fifty-eight thousand, two hundred sixty-seven".