19482143 has 2 divisors, whose sum is σ = 19482144. Its totient is φ = 19482142.

The previous prime is 19482137. The next prime is 19482161. The reversal of 19482143 is 34128491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19482143 - 2⁶ = 19482079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19482103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9741071 + 9741072.

It is an arithmetic number, because the mean of its divisors is an integer number (9741072).

Almost surely, 2^19482143 is an apocalyptic number.

19482143 is a deficient number, since it is larger than the sum of its proper divisors (1).

19482143 is an equidigital number, since it uses as much as digits as its factorization.

19482143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 19482143 is about 4413.8580629649. The cubic root of 19482143 is about 269.0784448049.

The spelling of 19482143 in words is "nineteen million, four hundred eighty-two thousand, one hundred forty-three".