663059849 has 8 divisors (see below), whose sum is σ = 670213440. Its totient is φ = 655918000.

The previous prime is 663059833. The next prime is 663059867. The reversal of 663059849 is 948950366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663059849 - 2⁴ = 663059833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663059797 and 663059806.

It is not an unprimeable number, because it can be changed into a prime (663059149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155354 + ... + 159564.

It is an arithmetic number, because the mean of its divisors is an integer number (83776680).

Almost surely, 2^663059849 is an apocalyptic number.

It is an amenable number.

663059849 is a deficient number, since it is larger than the sum of its proper divisors (7153591).

663059849 is a wasteful number, since it uses less digits than its factorization.

663059849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 663059849 is about 25749.9485242204. The cubic root of 663059849 is about 872.0021923078.

The spelling of 663059849 in words is "six hundred sixty-three million, fifty-nine thousand, eight hundred forty-nine".