47156314657 has 2 divisors, whose sum is σ = 47156314658. Its totient is φ = 47156314656.

The previous prime is 47156314651. The next prime is 47156314669. The reversal of 47156314657 is 75641365174.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40581699601 + 6574615056 = 201449^2 + 81084^2 .

It is a cyclic number.

It is not a de Polignac number, because 47156314657 - 2¹⁹ = 47155790369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47156314657.

It is not a weakly prime, because it can be changed into another prime (47156314651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578157328 + 23578157329.

It is an arithmetic number, because the mean of its divisors is an integer number (23578157329).

Almost surely, 2^47156314657 is an apocalyptic number.

It is an amenable number.

47156314657 is a deficient number, since it is larger than the sum of its proper divisors (1).

47156314657 is an equidigital number, since it uses as much as digits as its factorization.

47156314657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 49.

The spelling of 47156314657 in words is "forty-seven billion, one hundred fifty-six million, three hundred fourteen thousand, six hundred fifty-seven".