1014400663 has 4 divisors (see below), whose sum is σ = 1014771888. Its totient is φ = 1014029440.

The previous prime is 1014400637. The next prime is 1014400679. The reversal of 1014400663 is 3660044101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3660044101 = 7 ⋅522863443.

It is a cyclic number.

It is not a de Polignac number, because 1014400663 - 2⁹ = 1014400151 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 (1014406663) 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 3 ways as a sum of consecutive naturals, for example, 181483 + ... + 186988.

It is an arithmetic number, because the mean of its divisors is an integer number (253692972).

Almost surely, 2^1014400663 is an apocalyptic number.

1014400663 is a deficient number, since it is larger than the sum of its proper divisors (371225).

1014400663 is an equidigital number, since it uses as much as digits as its factorization.

1014400663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371224.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1014400663 is about 31849.6571881080. The cubic root of 1014400663 is about 1004.7773614725. Note that the first 3 decimals are identical.

Adding to 1014400663 its reverse (3660044101), we get a palindrome (4674444764).

The spelling of 1014400663 in words is "one billion, fourteen million, four hundred thousand, six hundred sixty-three".