47419419409 has 2 divisors, whose sum is σ = 47419419410. Its totient is φ = 47419419408.

The previous prime is 47419419389. The next prime is 47419419419. The reversal of 47419419409 is 90491491474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31907962384 + 15511457025 = 178628^2 + 124545^2 .

It is a cyclic number.

It is not a de Polignac number, because 47419419409 - 2¹¹ = 47419417361 is a prime.

It is not a weakly prime, because it can be changed into another prime (47419419419) 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, 23709709704 + 23709709705.

It is an arithmetic number, because the mean of its divisors is an integer number (23709709705).

Almost surely, 2^47419419409 is an apocalyptic number.

It is an amenable number.

47419419409 is a deficient number, since it is larger than the sum of its proper divisors (1).

47419419409 is an equidigital number, since it uses as much as digits as its factorization.

47419419409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 47419419409 in words is "forty-seven billion, four hundred nineteen million, four hundred nineteen thousand, four hundred nine".