6462206644 has 12 divisors (see below), whose sum is σ = 11420831268. Its totient is φ = 3199112000.

The previous prime is 6462206633. The next prime is 6462206683. The reversal of 6462206644 is 4466022646.

It can be written as a sum of positive squares in 2 ways, for example, as 5124841744 + 1337364900 = 71588^2 + 36570^2 .

It is a super-2 number, since 2×6462206644² = 83520229419515485472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6462206597 and 6462206606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7997377 + ... + 7998184.

It is an arithmetic number, because the mean of its divisors is an integer number (951735939).

Almost surely, 2^6462206644 is an apocalyptic number.

It is an amenable number.

6462206644 is a deficient number, since it is larger than the sum of its proper divisors (4958624624).

6462206644 is a wasteful number, since it uses less digits than its factorization.

6462206644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15995666 (or 15995664 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 6462206644 is about 80387.8513458346. The cubic root of 6462206644 is about 1862.6315166443.

It can be divided in two parts, 646220 and 6644, that added together give a square (652864 = 808²).

The spelling of 6462206644 in words is "six billion, four hundred sixty-two million, two hundred six thousand, six hundred forty-four".