1330763863 has 16 divisors (see below), whose sum is σ = 1585446912. Its totient is φ = 1100988000.

The previous prime is 1330763843. The next prime is 1330763869. The reversal of 1330763863 is 3683670331.

It is a cyclic number.

It is not a de Polignac number, because 1330763863 - 2²¹ = 1328666711 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 (1330763869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55383 + ... + 75688.

It is an arithmetic number, because the mean of its divisors is an integer number (99090432).

Almost surely, 2^1330763863 is an apocalyptic number.

1330763863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1330763863 is a deficient number, since it is larger than the sum of its proper divisors (254683049).

1330763863 is a wasteful number, since it uses less digits than its factorization.

1330763863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131166.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 1330763863 is about 36479.6362783403. The cubic root of 1330763863 is about 1099.9349446375.

The spelling of 1330763863 in words is "one billion, three hundred thirty million, seven hundred sixty-three thousand, eight hundred sixty-three".