47044169 has 2 divisors, whose sum is σ = 47044170. Its totient is φ = 47044168.

The previous prime is 47044163. The next prime is 47044199. The reversal of 47044169 is 96144074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43731769 + 3312400 = 6613^2 + 1820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47044169 is a prime.

It is a super-2 number, since 2×47044169² = 4426307673801122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47044163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23522084 + 23522085.

It is an arithmetic number, because the mean of its divisors is an integer number (23522085).

Almost surely, 2^47044169 is an apocalyptic number.

It is an amenable number.

47044169 is a deficient number, since it is larger than the sum of its proper divisors (1).

47044169 is an equidigital number, since it uses as much as digits as its factorization.

47044169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 47044169 is about 6858.8751993312. The cubic root of 47044169 is about 360.9956210159.

The spelling of 47044169 in words is "forty-seven million, forty-four thousand, one hundred sixty-nine".