47668219 has 2 divisors, whose sum is σ = 47668220. Its totient is φ = 47668218.

The previous prime is 47668189. The next prime is 47668249. The reversal of 47668219 is 91286674.

It is a balanced prime because it is at equal distance from previous prime (47668189) and next prime (47668249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47668219 is a prime.

It is a super-2 number, since 2×47668219² = 4544518205263922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47668249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23834109 + 23834110.

It is an arithmetic number, because the mean of its divisors is an integer number (23834110).

Almost surely, 2^47668219 is an apocalyptic number.

47668219 is a deficient number, since it is larger than the sum of its proper divisors (1).

47668219 is an equidigital number, since it uses as much as digits as its factorization.

47668219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 47668219 is about 6904.2174791934. The cubic root of 47668219 is about 362.5848400710.

The spelling of 47668219 in words is "forty-seven million, six hundred sixty-eight thousand, two hundred nineteen".