1204493663 has 2 divisors, whose sum is σ = 1204493664. Its totient is φ = 1204493662.

The previous prime is 1204493621. The next prime is 1204493669. The reversal of 1204493663 is 3663944021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1204493663 - 2¹⁸ = 1204231519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204493669) 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, 602246831 + 602246832.

It is an arithmetic number, because the mean of its divisors is an integer number (602246832).

Almost surely, 2^1204493663 is an apocalyptic number.

1204493663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204493663 is an equidigital number, since it uses as much as digits as its factorization.

1204493663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 1204493663 is about 34705.8159823393. The cubic root of 1204493663 is about 1063.9833695250.

The spelling of 1204493663 in words is "one billion, two hundred four million, four hundred ninety-three thousand, six hundred sixty-three".