47134438213 has 2 divisors, whose sum is σ = 47134438214. Its totient is φ = 47134438212.

The previous prime is 47134438097. The next prime is 47134438229. The reversal of 47134438213 is 31283443174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41825567169 + 5308871044 = 204513^2 + 72862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47134438213 is a prime.

It is a super-2 number, since 2×47134438213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47134438513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23567219106 + 23567219107.

It is an arithmetic number, because the mean of its divisors is an integer number (23567219107).

Almost surely, 2^47134438213 is an apocalyptic number.

It is an amenable number.

47134438213 is a deficient number, since it is larger than the sum of its proper divisors (1).

47134438213 is an equidigital number, since it uses as much as digits as its factorization.

47134438213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The spelling of 47134438213 in words is "forty-seven billion, one hundred thirty-four million, four hundred thirty-eight thousand, two hundred thirteen".