47134438237 has 2 divisors, whose sum is σ = 47134438238. Its totient is φ = 47134438236.

The previous prime is 47134438229. The next prime is 47134438259. The reversal of 47134438237 is 73283443174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34890130521 + 12244307716 = 186789^2 + 110654^2 .

It is a cyclic number.

It is not a de Polignac number, because 47134438237 - 2³ = 47134438229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47134438037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23567219118 + 23567219119.

It is an arithmetic number, because the mean of its divisors is an integer number (23567219119).

Almost surely, 2^47134438237 is an apocalyptic number.

It is an amenable number.

47134438237 is a deficient number, since it is larger than the sum of its proper divisors (1).

47134438237 is an equidigital number, since it uses as much as digits as its factorization.

47134438237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 46.

The spelling of 47134438237 in words is "forty-seven billion, one hundred thirty-four million, four hundred thirty-eight thousand, two hundred thirty-seven".