1463780263 has 4 divisors (see below), whose sum is σ = 1596851208. Its totient is φ = 1330709320.

The previous prime is 1463780231. The next prime is 1463780287. The reversal of 1463780263 is 3620873641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1463780263 - 2⁵ = 1463780231 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 (1463780663) 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 in 3 ways as a sum of consecutive naturals, for example, 66535456 + ... + 66535477.

It is an arithmetic number, because the mean of its divisors is an integer number (399212802).

Almost surely, 2^1463780263 is an apocalyptic number.

1463780263 is a deficient number, since it is larger than the sum of its proper divisors (133070945).

1463780263 is a wasteful number, since it uses less digits than its factorization.

1463780263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133070944.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1463780263 is about 38259.3813724164. The cubic root of 1463780263 is about 1135.4254617937.

The spelling of 1463780263 in words is "one billion, four hundred sixty-three million, seven hundred eighty thousand, two hundred sixty-three".