47367320309 has 2 divisors, whose sum is σ = 47367320310. Its totient is φ = 47367320308.

The previous prime is 47367320251. The next prime is 47367320393. The reversal of 47367320309 is 90302376374.

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., 31561299025 + 15806021284 = 177655^2 + 125722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47367320309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47367320309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47367320009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23683660154 + 23683660155.

It is an arithmetic number, because the mean of its divisors is an integer number (23683660155).

Almost surely, 2^47367320309 is an apocalyptic number.

It is an amenable number.

47367320309 is a deficient number, since it is larger than the sum of its proper divisors (1).

47367320309 is an equidigital number, since it uses as much as digits as its factorization.

47367320309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 47367320309 in words is "forty-seven billion, three hundred sixty-seven million, three hundred twenty thousand, three hundred nine".