1043113663 has 4 divisors (see below), whose sum is σ = 1043206888. Its totient is φ = 1043020440.

The previous prime is 1043113613. The next prime is 1043113667. The reversal of 1043113663 is 3663113401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1043113663 - 2¹³ = 1043105471 is a prime.

It is a super-2 number, since 2×1043113663² = 2176172227874555138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043113667) 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, 27108 + ... + 53113.

It is an arithmetic number, because the mean of its divisors is an integer number (260801722).

Almost surely, 2^1043113663 is an apocalyptic number.

1043113663 is a deficient number, since it is larger than the sum of its proper divisors (93225).

1043113663 is an equidigital number, since it uses as much as digits as its factorization.

1043113663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93224.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1043113663 is about 32297.2702097252. The cubic root of 1043113663 is about 1014.1694980334.

The spelling of 1043113663 in words is "one billion, forty-three million, one hundred thirteen thousand, six hundred sixty-three".