648988714 has 8 divisors (see below), whose sum is σ = 1061981568. Its totient is φ = 294994860.

The previous prime is 648988673. The next prime is 648988727. The reversal of 648988714 is 417889846.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14749722 + ... + 14749765.

It is an arithmetic number, because the mean of its divisors is an integer number (132747696).

Almost surely, 2^648988714 is an apocalyptic number.

648988714 is a deficient number, since it is larger than the sum of its proper divisors (412992854).

648988714 is a wasteful number, since it uses less digits than its factorization.

648988714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29499500.

The product of its digits is 3096576, while the sum is 55.

The square root of 648988714 is about 25475.2568976252. The cubic root of 648988714 is about 865.7896334528.

The spelling of 648988714 in words is "six hundred forty-eight million, nine hundred eighty-eight thousand, seven hundred fourteen".