1463863553 has 2 divisors, whose sum is σ = 1463863554. Its totient is φ = 1463863552.

The previous prime is 1463863507. The next prime is 1463863559. The reversal of 1463863553 is 3553683641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928542784 + 535320769 = 30472^2 + 23137^2 .

It is a cyclic number.

It is not a de Polignac number, because 1463863553 - 2¹⁸ = 1463601409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1463863559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731931776 + 731931777.

It is an arithmetic number, because the mean of its divisors is an integer number (731931777).

Almost surely, 2^1463863553 is an apocalyptic number.

It is an amenable number.

1463863553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463863553 is an equidigital number, since it uses as much as digits as its factorization.

1463863553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 44.

The square root of 1463863553 is about 38260.4698481344. The cubic root of 1463863553 is about 1135.4469968550.

The spelling of 1463863553 in words is "one billion, four hundred sixty-three million, eight hundred sixty-three thousand, five hundred fifty-three".