648045762702 has 64 divisors (see below), whose sum is σ = 1421816288256. Its totient is φ = 195715054080.

The previous prime is 648045762667. The next prime is 648045762709. The reversal of 648045762702 is 207267540846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648045762709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550927 + ... + 1264757.

It is an arithmetic number, because the mean of its divisors is an integer number (22215879504).

Almost surely, 2^648045762702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648045762702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710908144128).

648045762702 is an abundant number, since it is smaller than the sum of its proper divisors (773770525554).

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

648045762702 is a wasteful number, since it uses less digits than its factorization.

648045762702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714065.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 648045762702 in words is "six hundred forty-eight billion, forty-five million, seven hundred sixty-two thousand, seven hundred two".