5643994034408 has 8 divisors (see below), whose sum is σ = 10582488814530. Its totient is φ = 2821997017200.

The previous prime is 5643994034401. The next prime is 5643994034477. The reversal of 5643994034408 is 8044304993465.

It can be written as a sum of positive squares in only one way, i.e., 5433663564484 + 210330469924 = 2331022^2 + 458618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5643994034401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352749627143 + ... + 352749627158.

Almost surely, 2^{5643994034408} is an apocalyptic number.

It is an amenable number.

5643994034408 is a deficient number, since it is larger than the sum of its proper divisors (4938494780122).

5643994034408 is a wasteful number, since it uses less digits than its factorization.

5643994034408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705499254307 (or 705499254303 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 59.

The spelling of 5643994034408 in words is "five trillion, six hundred forty-three billion, nine hundred ninety-four million, thirty-four thousand, four hundred eight".