648234226805 has 8 divisors (see below), whose sum is σ = 848597533344. Its totient is φ = 471443074000.

The previous prime is 648234226763. The next prime is 648234226813. The reversal of 648234226805 is 508622432846.

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

It is not a de Polignac number, because 648234226805 - 2²² = 648230032501 is a prime.

It is a super-2 number, since 2×648234226805² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5893038371 + ... + 5893038480.

It is an arithmetic number, because the mean of its divisors is an integer number (106074691668).

Almost surely, 2^648234226805 is an apocalyptic number.

It is an amenable number.

648234226805 is a deficient number, since it is larger than the sum of its proper divisors (200363306539).

648234226805 is a wasteful number, since it uses less digits than its factorization.

648234226805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11786076867.

The product of its (nonzero) digits is 4423680, while the sum is 50.

The spelling of 648234226805 in words is "six hundred forty-eight billion, two hundred thirty-four million, two hundred twenty-six thousand, eight hundred five".