19482647 has 2 divisors, whose sum is σ = 19482648. Its totient is φ = 19482646.

The previous prime is 19482637. The next prime is 19482649. The reversal of 19482647 is 74628491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19482647 - 2⁶ = 19482583 is a prime.

Together with 19482649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19482649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9741323 + 9741324.

It is an arithmetic number, because the mean of its divisors is an integer number (9741324).

Almost surely, 2^19482647 is an apocalyptic number.

19482647 is a deficient number, since it is larger than the sum of its proper divisors (1).

19482647 is an equidigital number, since it uses as much as digits as its factorization.

19482647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 19482647 is about 4413.9151555054. The cubic root of 19482647 is about 269.0807651240.

The spelling of 19482647 in words is "nineteen million, four hundred eighty-two thousand, six hundred forty-seven".