2643265064466 has 24 divisors (see below), whose sum is σ = 6167618484300. Its totient is φ = 813312327456.

The previous prime is 2643265064413. The next prime is 2643265064497. The reversal of 2643265064466 is 6644605623462.

2643265064466 is a `hidden beast` number, since 2 + 6 + 4 + 32 + 6 + 506 + 44 + 66 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2633009249025 + 10255815441 = 1622655^2 + 101271^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 5648002041 + ... + 5648002508.

Almost surely, 2^{2643265064466} is an apocalyptic number.

2643265064466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2643265064466 is an abundant number, since it is smaller than the sum of its proper divisors (3524353419834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2643265064466 is a wasteful number, since it uses less digits than its factorization.

2643265064466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296004570 (or 11296004567 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 54.

The spelling of 2643265064466 in words is "two trillion, six hundred forty-three billion, two hundred sixty-five million, sixty-four thousand, four hundred sixty-six".