663454714 has 16 divisors (see below), whose sum is σ = 1072190952. Its totient is φ = 306079488.

The previous prime is 663454681. The next prime is 663454717. The reversal of 663454714 is 417454366.

It can be written as a sum of positive squares in 4 ways, for example, as 228523689 + 434931025 = 15117^2 + 20855^2 .

It is not an unprimeable number, because it can be changed into a prime (663454717) 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 7 ways as a sum of consecutive naturals, for example, 85542 + ... + 92974.

Almost surely, 2^663454714 is an apocalyptic number.

663454714 is a deficient number, since it is larger than the sum of its proper divisors (408736238).

663454714 is a wasteful number, since it uses less digits than its factorization.

663454714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881.

The product of its digits is 241920, while the sum is 40.

The square root of 663454714 is about 25757.6146799349. The cubic root of 663454714 is about 872.1752560307.

The spelling of 663454714 in words is "six hundred sixty-three million, four hundred fifty-four thousand, seven hundred fourteen".