47303819 has 2 divisors, whose sum is σ = 47303820. Its totient is φ = 47303818.

The previous prime is 47303813. The next prime is 47303881. The reversal of 47303819 is 91830374.

47303819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47303819 - 2⁴ = 47303803 is a prime.

It is a super-2 number, since 2×47303819² = 4475302583969522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47303813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23651909 + 23651910.

It is an arithmetic number, because the mean of its divisors is an integer number (23651910).

Almost surely, 2^47303819 is an apocalyptic number.

47303819 is a deficient number, since it is larger than the sum of its proper divisors (1).

47303819 is an equidigital number, since it uses as much as digits as its factorization.

47303819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 47303819 is about 6877.7771845270. Note that the first 3 decimals coincide. The cubic root of 47303819 is about 361.6585483346.

The spelling of 47303819 in words is "forty-seven million, three hundred three thousand, eight hundred nineteen".