1463863503 has 8 divisors (see below), whose sum is σ = 1980949888. Its totient is φ = 961343064.

The previous prime is 1463863487. The next prime is 1463863507. The reversal of 1463863503 is 3053683641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1463863503 - 2⁴ = 1463863487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463863507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641251 + ... + 3641652.

It is an arithmetic number, because the mean of its divisors is an integer number (247618736).

Almost surely, 2^1463863503 is an apocalyptic number.

1463863503 is a deficient number, since it is larger than the sum of its proper divisors (517086385).

1463863503 is an equidigital number, since it uses as much as digits as its factorization.

1463863503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282973.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 1463863503 is about 38260.4691947185. The cubic root of 1463863503 is about 1135.4469839275.

The spelling of 1463863503 in words is "one billion, four hundred sixty-three million, eight hundred sixty-three thousand, five hundred three".