47380169 has 2 divisors, whose sum is σ = 47380170. Its totient is φ = 47380168.

The previous prime is 47380163. The next prime is 47380181. The reversal of 47380169 is 96108374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38588944 + 8791225 = 6212^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 47380169 - 2⁴ = 47380153 is a prime.

It is a super-2 number, since 2×47380169² = 4489760828937122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47380163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23690084 + 23690085.

It is an arithmetic number, because the mean of its divisors is an integer number (23690085).

Almost surely, 2^47380169 is an apocalyptic number.

It is an amenable number.

47380169 is a deficient number, since it is larger than the sum of its proper divisors (1).

47380169 is an equidigital number, since it uses as much as digits as its factorization.

47380169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 47380169 is about 6883.3254317953. The cubic root of 47380169 is about 361.8530202127.

The spelling of 47380169 in words is "forty-seven million, three hundred eighty thousand, one hundred sixty-nine".