47641169 has 2 divisors, whose sum is σ = 47641170. Its totient is φ = 47641168.

The previous prime is 47641109. The next prime is 47641177. The reversal of 47641169 is 96114674.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32718400 + 14922769 = 5720^2 + 3863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47641169 is a prime.

It is a super-2 number, since 2×47641169² = 4539361967373122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_2867915 and since 47641169 and 2867915 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47641109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23820584 + 23820585.

It is an arithmetic number, because the mean of its divisors is an integer number (23820585).

Almost surely, 2^47641169 is an apocalyptic number.

It is an amenable number.

47641169 is a deficient number, since it is larger than the sum of its proper divisors (1).

47641169 is an equidigital number, since it uses as much as digits as its factorization.

47641169 is an evil number, because the sum of its binary digits is even.

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

The square root of 47641169 is about 6902.2582536442. The cubic root of 47641169 is about 362.5162424748.

The spelling of 47641169 in words is "forty-seven million, six hundred forty-one thousand, one hundred sixty-nine".