47207199231937 has 2 divisors, whose sum is σ = 47207199231938. Its totient is φ = 47207199231936.

The previous prime is 47207199231911. The next prime is 47207199231947. The reversal of 47207199231937 is 73913299170274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44054003507761 + 3153195724176 = 6637319^2 + 1775724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47207199231937 is a prime.

It is not a weakly prime, because it can be changed into another prime (47207199231947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23603599615968 + 23603599615969.

It is an arithmetic number, because the mean of its divisors is an integer number (23603599615969).

Almost surely, 2^{47207199231937} is an apocalyptic number.

It is an amenable number.

47207199231937 is a deficient number, since it is larger than the sum of its proper divisors (1).

47207199231937 is an equidigital number, since it uses as much as digits as its factorization.

47207199231937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36006768, while the sum is 64.

The spelling of 47207199231937 in words is "forty-seven trillion, two hundred seven billion, one hundred ninety-nine million, two hundred thirty-one thousand, nine hundred thirty-seven".