1063509463 has 4 divisors (see below), whose sum is σ = 1092253000. Its totient is φ = 1034765928.

The previous prime is 1063509413. The next prime is 1063509509. The reversal of 1063509463 is 3649053601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3649053601 = 131 ⋅27855371.

It is a cyclic number.

It is not a de Polignac number, because 1063509463 - 2⁹ = 1063508951 is a prime.

It is a super-2 number, since 2×1063509463² = 2262104755781096738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 28743499 = 1063509463 / (1 + 0 + 6 + 3 + 5 + 0 + 9 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063509413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14371713 + ... + 14371786.

It is an arithmetic number, because the mean of its divisors is an integer number (273063250).

Almost surely, 2^1063509463 is an apocalyptic number.

1063509463 is a deficient number, since it is larger than the sum of its proper divisors (28743537).

1063509463 is an equidigital number, since it uses as much as digits as its factorization.

1063509463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28743536.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1063509463 is about 32611.4928054513. The cubic root of 1063509463 is about 1020.7368323910.

The spelling of 1063509463 in words is "one billion, sixty-three million, five hundred nine thousand, four hundred sixty-three".