648424560786 has 8 divisors (see below), whose sum is σ = 1296849121584. Its totient is φ = 216141520260.

The previous prime is 648424560779. The next prime is 648424560799. The reversal of 648424560786 is 687065424846.

It is a happy number.

648424560786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

648424560786 is an admirable number.

It is a super-2 number, since 2×648424560786² (a number of 24 digits) contains 22 as substring.

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, 54035380060 + ... + 54035380071.

It is an arithmetic number, because the mean of its divisors is an integer number (162106140198).

Almost surely, 2^648424560786 is an apocalyptic number.

648424560786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648424560786 is a wasteful number, since it uses less digits than its factorization.

648424560786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108070760136.

The product of its (nonzero) digits is 61931520, while the sum is 60.

The spelling of 648424560786 in words is "six hundred forty-eight billion, four hundred twenty-four million, five hundred sixty thousand, seven hundred eighty-six".