47430169 has 2 divisors, whose sum is σ = 47430170. Its totient is φ = 47430168.

The previous prime is 47430113. The next prime is 47430181. The reversal of 47430169 is 96103474.

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., 38502025 + 8928144 = 6205^2 + 2988^2 .

It is a cyclic number.

It is not a de Polignac number, because 47430169 - 2¹³ = 47421977 is a prime.

It is a super-2 number, since 2×47430169² = 4499241862737122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47430269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23715084 + 23715085.

It is an arithmetic number, because the mean of its divisors is an integer number (23715085).

Almost surely, 2^47430169 is an apocalyptic number.

It is an amenable number.

47430169 is a deficient number, since it is larger than the sum of its proper divisors (1).

47430169 is an equidigital number, since it uses as much as digits as its factorization.

47430169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47430169 is about 6886.9564395312. The cubic root of 47430169 is about 361.9802625503.

The spelling of 47430169 in words is "forty-seven million, four hundred thirty thousand, one hundred sixty-nine".