6502022644 has 12 divisors (see below), whose sum is σ = 12253812004. Its totient is φ = 3000933504.

The previous prime is 6502022641. The next prime is 6502022713. The reversal of 6502022644 is 4462202056.

It can be written as a sum of positive squares in 2 ways, for example, as 509404900 + 5992617744 = 22570^2 + 77412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6502022641) by changing a digit.

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, 62519397 + ... + 62519500.

Almost surely, 2^6502022644 is an apocalyptic number.

It is an amenable number.

6502022644 is a deficient number, since it is larger than the sum of its proper divisors (5751789360).

6502022644 is a wasteful number, since it uses less digits than its factorization.

6502022644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125038914 (or 125038912 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 6502022644 is about 80635.1204128821. The cubic root of 6502022644 is about 1866.4491363151.

The spelling of 6502022644 in words is "six billion, five hundred two million, twenty-two thousand, six hundred forty-four".