4243620827 has 4 divisors (see below), whose sum is σ = 4347123816. Its totient is φ = 4140117840.

The previous prime is 4243620791. The next prime is 4243620833. The reversal of 4243620827 is 7280263424.

4243620827 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243620827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243620527) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51751433 + ... + 51751514.

It is an arithmetic number, because the mean of its divisors is an integer number (1086780954).

Almost surely, 2^4243620827 is an apocalyptic number.

4243620827 is a deficient number, since it is larger than the sum of its proper divisors (103502989).

4243620827 is a wasteful number, since it uses less digits than its factorization.

4243620827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103502988.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 4243620827 is about 65143.0796554784. The cubic root of 4243620827 is about 1618.9950617152.

The spelling of 4243620827 in words is "four billion, two hundred forty-three million, six hundred twenty thousand, eight hundred twenty-seven".