662548449 has 8 divisors (see below), whose sum is σ = 929892640. Its totient is φ = 418451616.

The previous prime is 662548433. The next prime is 662548483. The reversal of 662548449 is 944845266.

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

It is not a de Polignac number, because 662548449 - 2⁴ = 662548433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662548398 and 662548407.

It is not an unprimeable number, because it can be changed into a prime (662548409) 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, 5811772 + ... + 5811885.

It is an arithmetic number, because the mean of its divisors is an integer number (116236580).

Almost surely, 2^662548449 is an apocalyptic number.

It is an amenable number.

662548449 is a deficient number, since it is larger than the sum of its proper divisors (267344191).

662548449 is a wasteful number, since it uses less digits than its factorization.

662548449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623679.

The product of its digits is 1658880, while the sum is 48.

The square root of 662548449 is about 25740.0164918362. The cubic root of 662548449 is about 871.7779508015. Note that the first 3 decimals are identical.

The spelling of 662548449 in words is "six hundred sixty-two million, five hundred forty-eight thousand, four hundred forty-nine".