648342063 has 10 divisors (see below), whose sum is σ = 968511104. Its totient is φ = 432227988.

The previous prime is 648342059. The next prime is 648342113. The reversal of 648342063 is 360243846.

It is a happy number.

648342063 is a `hidden beast` number, since 648 + 3 + 4 + 2 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 648342063 - 2² = 648342059 is a prime.

It is a super-3 number, since 3×648342063³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648342043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4002031 + ... + 4002192.

Almost surely, 2^648342063 is an apocalyptic number.

648342063 is a deficient number, since it is larger than the sum of its proper divisors (320169041).

648342063 is an equidigital number, since it uses as much as digits as its factorization.

648342063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004235 (or 8004226 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 648342063 is about 25462.5619881425. The cubic root of 648342063 is about 865.5019808983.

The spelling of 648342063 in words is "six hundred forty-eight million, three hundred forty-two thousand, sixty-three".