6403122064 has 10 divisors (see below), whose sum is σ = 12406049030. Its totient is φ = 3201561024.

The previous prime is 6403122049. The next prime is 6403122091. The reversal of 6403122064 is 4602213046.

It can be written as a sum of positive squares in only one way, i.e., 6244160400 + 158961664 = 79020^2 + 12608^2 .

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 as a sum of consecutive naturals, namely, 200097549 + ... + 200097580.

It is an arithmetic number, because the mean of its divisors is an integer number (1240604903).

Almost surely, 2^6403122064 is an apocalyptic number.

It is an amenable number.

6403122064 is a deficient number, since it is larger than the sum of its proper divisors (6002926966).

6403122064 is a wasteful number, since it uses less digits than its factorization.

6403122064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400195137 (or 400195131 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6403122064 is about 80019.5105208723. The cubic root of 6403122064 is about 1856.9373872292.

The spelling of 6403122064 in words is "six billion, four hundred three million, one hundred twenty-two thousand, sixty-four".