4072539643 has 8 divisors (see below), whose sum is σ = 4364461728. Its totient is φ = 3790188864.

The previous prime is 4072539631. The next prime is 4072539649. The reversal of 4072539643 is 3469352704.

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-4072539643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4072539643.

It is not an unprimeable number, because it can be changed into a prime (4072539649) 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, 2391946 + ... + 2393647.

It is an arithmetic number, because the mean of its divisors is an integer number (545557716).

Almost surely, 2^4072539643 is an apocalyptic number.

4072539643 is a deficient number, since it is larger than the sum of its proper divisors (291922085).

4072539643 is a wasteful number, since it uses less digits than its factorization.

4072539643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785653.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 4072539643 is about 63816.4527610239. The cubic root of 4072539643 is about 1596.9394152617.

The spelling of 4072539643 in words is "four billion, seventy-two million, five hundred thirty-nine thousand, six hundred forty-three".