648423229071 has 16 divisors (see below), whose sum is σ = 873176924160. Its totient is φ = 427976359200.

The previous prime is 648423229043. The next prime is 648423229121. The reversal of 648423229071 is 170922324846.

648423229071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648423229071 - 2¹⁸ = 648422966927 is a prime.

It is a super-3 number, since 3×648423229071³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 648423229071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648423229001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5879010 + ... + 5988288.

It is an arithmetic number, because the mean of its divisors is an integer number (54573557760).

Almost surely, 2^648423229071 is an apocalyptic number.

648423229071 is a deficient number, since it is larger than the sum of its proper divisors (224753695089).

648423229071 is a wasteful number, since it uses less digits than its factorization.

648423229071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128966.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 648423229071 in words is "six hundred forty-eight billion, four hundred twenty-three million, two hundred twenty-nine thousand, seventy-one".