4221019435 has 4 divisors (see below), whose sum is σ = 5065223328. Its totient is φ = 3376815544.

The previous prime is 4221019399. The next prime is 4221019463. The reversal of 4221019435 is 5349101224.

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

It is a cyclic number.

It is not a de Polignac number, because 4221019435 - 2¹⁷ = 4220888363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4221019397 and 4221019406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422101939 + ... + 422101948.

It is an arithmetic number, because the mean of its divisors is an integer number (1266305832).

Almost surely, 2^4221019435 is an apocalyptic number.

4221019435 is a deficient number, since it is larger than the sum of its proper divisors (844203893).

4221019435 is an equidigital number, since it uses as much as digits as its factorization.

4221019435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844203892.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4221019435 is about 64969.3730537705. The cubic root of 4221019435 is about 1616.1157048144.

The spelling of 4221019435 in words is "four billion, two hundred twenty-one million, nineteen thousand, four hundred thirty-five".