4242165643 has 8 divisors (see below), whose sum is σ = 4380220800. Its totient is φ = 4104186240.

The previous prime is 4242165637. The next prime is 4242165647. The reversal of 4242165643 is 3465612424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242165643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242165647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108621 + ... + 142417.

It is an arithmetic number, because the mean of its divisors is an integer number (547527600).

Almost surely, 2^4242165643 is an apocalyptic number.

4242165643 is a deficient number, since it is larger than the sum of its proper divisors (138055157).

4242165643 is a wasteful number, since it uses less digits than its factorization.

4242165643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37877.

The product of its digits is 138240, while the sum is 37.

The square root of 4242165643 is about 65131.9095605219. The cubic root of 4242165643 is about 1618.8099835199.

The spelling of 4242165643 in words is "four billion, two hundred forty-two million, one hundred sixty-five thousand, six hundred forty-three".