6468926938 has 8 divisors (see below), whose sum is σ = 10274178132. Its totient is φ = 3044200896.

The previous prime is 6468926897. The next prime is 6468927019. The reversal of 6468926938 is 8396298646.

It can be written as a sum of positive squares in 2 ways, for example, as 6131359809 + 337567129 = 78303^2 + 18373^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95131245 + ... + 95131312.

Almost surely, 2^6468926938 is an apocalyptic number.

6468926938 is a deficient number, since it is larger than the sum of its proper divisors (3805251194).

6468926938 is a wasteful number, since it uses less digits than its factorization.

6468926938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190262576.

The product of its digits is 26873856, while the sum is 61.

The square root of 6468926938 is about 80429.6396734438. The cubic root of 6468926938 is about 1863.2769666937.

The spelling of 6468926938 in words is "six billion, four hundred sixty-eight million, nine hundred twenty-six thousand, nine hundred thirty-eight".