47213346535237 has 2 divisors, whose sum is σ = 47213346535238. Its totient is φ = 47213346535236.

The previous prime is 47213346535211. The next prime is 47213346535273. The reversal of 47213346535237 is 73253564331274.

Together with next prime (47213346535273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34416514500481 + 12796832034756 = 5866559^2 + 3577266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47213346535237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47213346535297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23606673267618 + 23606673267619.

It is an arithmetic number, because the mean of its divisors is an integer number (23606673267619).

Almost surely, 2^{47213346535237} is an apocalyptic number.

It is an amenable number.

47213346535237 is a deficient number, since it is larger than the sum of its proper divisors (1).

47213346535237 is an equidigital number, since it uses as much as digits as its factorization.

47213346535237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38102400, while the sum is 55.

The spelling of 47213346535237 in words is "forty-seven trillion, two hundred thirteen billion, three hundred forty-six million, five hundred thirty-five thousand, two hundred thirty-seven".