213332299937 has 2 divisors, whose sum is σ = 213332299938. Its totient is φ = 213332299936.

The previous prime is 213332299931. The next prime is 213332299949. The reversal of 213332299937 is 739992233312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191031059041 + 22301240896 = 437071^2 + 149336^2 .

It is a cyclic number.

It is not a de Polignac number, because 213332299937 - 2⁸ = 213332299681 is a prime.

It is not a weakly prime, because it can be changed into another prime (213332299931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106666149968 + 106666149969.

It is an arithmetic number, because the mean of its divisors is an integer number (106666149969).

Almost surely, 2^213332299937 is an apocalyptic number.

It is an amenable number.

213332299937 is a deficient number, since it is larger than the sum of its proper divisors (1).

213332299937 is an equidigital number, since it uses as much as digits as its factorization.

213332299937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3306744, while the sum is 53.

The spelling of 213332299937 in words is "two hundred thirteen billion, three hundred thirty-two million, two hundred ninety-nine thousand, nine hundred thirty-seven".