648924496922 has 16 divisors (see below), whose sum is σ = 1048297783680. Its totient is φ = 299493575472.

The previous prime is 648924496907. The next prime is 648924497017. The reversal of 648924496922 is 229694429846.

It is a super-2 number, since 2×648924496922² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402779 + ... + 1208337.

It is an arithmetic number, because the mean of its divisors is an integer number (65518611480).

Almost surely, 2^648924496922 is an apocalyptic number.

It is a pronic number, being equal to 805558×805559.

648924496922 is a deficient number, since it is larger than the sum of its proper divisors (399373286758).

648924496922 is a wasteful number, since it uses less digits than its factorization.

648924496922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836557.

The product of its digits is 107495424, while the sum is 65.

The spelling of 648924496922 in words is "six hundred forty-eight billion, nine hundred twenty-four million, four hundred ninety-six thousand, nine hundred twenty-two".