51595352213 has 2 divisors, whose sum is σ = 51595352214. Its totient is φ = 51595352212.

The previous prime is 51595352201. The next prime is 51595352219. The reversal of 51595352213 is 31225359515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854065764 + 4741286449 = 216458^2 + 68857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51595352213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51595352219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25797676106 + 25797676107.

It is an arithmetic number, because the mean of its divisors is an integer number (25797676107).

Almost surely, 2^51595352213 is an apocalyptic number.

It is an amenable number.

51595352213 is a deficient number, since it is larger than the sum of its proper divisors (1).

51595352213 is an equidigital number, since it uses as much as digits as its factorization.

51595352213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202500, while the sum is 41.

The spelling of 51595352213 in words is "fifty-one billion, five hundred ninety-five million, three hundred fifty-two thousand, two hundred thirteen".