618470143 has 2 divisors, whose sum is σ = 618470144. Its totient is φ = 618470142.

The previous prime is 618470141. The next prime is 618470173. The reversal of 618470143 is 341074816.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618470143 - 2¹ = 618470141 is a prime.

Together with 618470141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 618470099 and 618470108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618470141) 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, 309235071 + 309235072.

It is an arithmetic number, because the mean of its divisors is an integer number (309235072).

Almost surely, 2^618470143 is an apocalyptic number.

618470143 is a deficient number, since it is larger than the sum of its proper divisors (1).

618470143 is an equidigital number, since it uses as much as digits as its factorization.

618470143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 618470143 is about 24869.0599540875. The cubic root of 618470143 is about 851.9999701522. Note that the first 4 decimals are identical.

The spelling of 618470143 in words is "six hundred eighteen million, four hundred seventy thousand, one hundred forty-three".