47368737281 has 2 divisors, whose sum is σ = 47368737282. Its totient is φ = 47368737280.

The previous prime is 47368737127. The next prime is 47368737289. The reversal of 47368737281 is 18273786374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39039437056 + 8329300225 = 197584^2 + 91265^2 .

It is a cyclic number.

It is not a de Polignac number, because 47368737281 - 2¹⁴ = 47368720897 is a prime.

It is a super-2 number, since 2×47368737281² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47368737289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23684368640 + 23684368641.

It is an arithmetic number, because the mean of its divisors is an integer number (23684368641).

Almost surely, 2^47368737281 is an apocalyptic number.

It is an amenable number.

47368737281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47368737281 is an equidigital number, since it uses as much as digits as its factorization.

47368737281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 56.

The spelling of 47368737281 in words is "forty-seven billion, three hundred sixty-eight million, seven hundred thirty-seven thousand, two hundred eighty-one".