654064663 has 4 divisors (see below), whose sum is σ = 747502480. Its totient is φ = 560626848.

The previous prime is 654064633. The next prime is 654064693. The reversal of 654064663 is 366460456.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (654064633) and next prime (654064693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654064663 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 (654064633) 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, 46718898 + ... + 46718911.

It is an arithmetic number, because the mean of its divisors is an integer number (186875620).

Almost surely, 2^654064663 is an apocalyptic number.

654064663 is a deficient number, since it is larger than the sum of its proper divisors (93437817).

654064663 is an equidigital number, since it uses as much as digits as its factorization.

654064663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93437816.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 654064663 is about 25574.6879355350. The cubic root of 654064663 is about 868.0409803010.

The spelling of 654064663 in words is "six hundred fifty-four million, sixty-four thousand, six hundred sixty-three".