47151348809 has 2 divisors, whose sum is σ = 47151348810. Its totient is φ = 47151348808.

The previous prime is 47151348721. The next prime is 47151348833. The reversal of 47151348809 is 90884315174.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35928065209 + 11223283600 = 189547^2 + 105940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47151348809 is a prime.

It is not a weakly prime, because it can be changed into another prime (47151348889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23575674404 + 23575674405.

It is an arithmetic number, because the mean of its divisors is an integer number (23575674405).

Almost surely, 2^47151348809 is an apocalyptic number.

It is an amenable number.

47151348809 is a deficient number, since it is larger than the sum of its proper divisors (1).

47151348809 is an equidigital number, since it uses as much as digits as its factorization.

47151348809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 47151348809 in words is "forty-seven billion, one hundred fifty-one million, three hundred forty-eight thousand, eight hundred nine".