213234763193 has 2 divisors, whose sum is σ = 213234763194. Its totient is φ = 213234763192.

The previous prime is 213234763087. The next prime is 213234763229. The reversal of 213234763193 is 391367432312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159914411449 + 53320351744 = 399893^2 + 230912^2 .

It is a cyclic number.

It is not a de Polignac number, because 213234763193 - 2¹² = 213234759097 is a prime.

It is not a weakly prime, because it can be changed into another prime (213234765193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106617381596 + 106617381597.

It is an arithmetic number, because the mean of its divisors is an integer number (106617381597).

Almost surely, 2^213234763193 is an apocalyptic number.

It is an amenable number.

213234763193 is a deficient number, since it is larger than the sum of its proper divisors (1).

213234763193 is an equidigital number, since it uses as much as digits as its factorization.

213234763193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The spelling of 213234763193 in words is "two hundred thirteen billion, two hundred thirty-four million, seven hundred sixty-three thousand, one hundred ninety-three".