5643743642 has 16 divisors (see below), whose sum is σ = 8554541760. Its totient is φ = 2792311872.

The previous prime is 5643743639. The next prime is 5643743653. The reversal of 5643743642 is 2463473465.

It is a junction number, because it is equal to n+sod(n) for n = 5643743593 and 5643743602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119723 + ... + 160065.

It is an arithmetic number, because the mean of its divisors is an integer number (534658860).

Almost surely, 2^5643743642 is an apocalyptic number.

5643743642 is a deficient number, since it is larger than the sum of its proper divisors (2910798118).

5643743642 is a wasteful number, since it uses less digits than its factorization.

5643743642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41077.

The product of its digits is 1451520, while the sum is 44.

The square root of 5643743642 is about 75124.8536903733. The cubic root of 5643743642 is about 1780.4198439433.

The spelling of 5643743642 in words is "five billion, six hundred forty-three million, seven hundred forty-three thousand, six hundred forty-two".