4252843691 has 2 divisors, whose sum is σ = 4252843692. Its totient is φ = 4252843690.

The previous prime is 4252843687. The next prime is 4252843747. The reversal of 4252843691 is 1963482524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4252843691 - 2² = 4252843687 is a prime.

It is not a weakly prime, because it can be changed into another prime (4252843601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126421845 + 2126421846.

It is an arithmetic number, because the mean of its divisors is an integer number (2126421846).

Almost surely, 2^4252843691 is an apocalyptic number.

4252843691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252843691 is an equidigital number, since it uses as much as digits as its factorization.

4252843691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The square root of 4252843691 is about 65213.8305193001. The cubic root of 4252843691 is about 1620.1670928344.

The spelling of 4252843691 in words is "four billion, two hundred fifty-two million, eight hundred forty-three thousand, six hundred ninety-one".