1604223463 has 2 divisors, whose sum is σ = 1604223464. Its totient is φ = 1604223462.

The previous prime is 1604223461. The next prime is 1604223473. The reversal of 1604223463 is 3643224061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1604223463 - 2¹ = 1604223461 is a prime.

Together with 1604223461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1604223461) 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, 802111731 + 802111732.

It is an arithmetic number, because the mean of its divisors is an integer number (802111732).

Almost surely, 2^1604223463 is an apocalyptic number.

1604223463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604223463 is an equidigital number, since it uses as much as digits as its factorization.

1604223463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1604223463 is about 40052.7584942660. The cubic root of 1604223463 is about 1170.6353144913.

The spelling of 1604223463 in words is "one billion, six hundred four million, two hundred twenty-three thousand, four hundred sixty-three".