213232033349 has 2 divisors, whose sum is σ = 213232033350. Its totient is φ = 213232033348.

The previous prime is 213232033309. The next prime is 213232033387. The reversal of 213232033349 is 943330232312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196708216324 + 16523817025 = 443518^2 + 128545^2 .

It is a cyclic number.

It is not a de Polignac number, because 213232033349 - 2¹² = 213232029253 is a prime.

It is a super-2 number, since 2×213232033349² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213232033309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616016674 + 106616016675.

It is an arithmetic number, because the mean of its divisors is an integer number (106616016675).

Almost surely, 2^213232033349 is an apocalyptic number.

It is an amenable number.

213232033349 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232033349 is an equidigital number, since it uses as much as digits as its factorization.

213232033349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 35.

The spelling of 213232033349 in words is "two hundred thirteen billion, two hundred thirty-two million, thirty-three thousand, three hundred forty-nine".