704221543 has 2 divisors, whose sum is σ = 704221544. Its totient is φ = 704221542.

The previous prime is 704221433. The next prime is 704221559. The reversal of 704221543 is 345122407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704221543 - 2⁹ = 704221031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704251543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352110771 + 352110772.

It is an arithmetic number, because the mean of its divisors is an integer number (352110772).

Almost surely, 2^704221543 is an apocalyptic number.

704221543 is a deficient number, since it is larger than the sum of its proper divisors (1).

704221543 is an equidigital number, since it uses as much as digits as its factorization.

704221543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 704221543 is about 26537.1728524348. The cubic root of 704221543 is about 889.6853422025.

The spelling of 704221543 in words is "seven hundred four million, two hundred twenty-one thousand, five hundred forty-three".