4245642211 has 4 divisors (see below), whose sum is σ = 4335975072. Its totient is φ = 4155309352.

The previous prime is 4245642187. The next prime is 4245642217. The reversal of 4245642211 is 1122465424.

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 4245642211 - 2²⁵ = 4212087779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4245642217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45166360 + ... + 45166453.

It is an arithmetic number, because the mean of its divisors is an integer number (1083993768).

Almost surely, 2^4245642211 is an apocalyptic number.

4245642211 is a deficient number, since it is larger than the sum of its proper divisors (90332861).

4245642211 is an equidigital number, since it uses as much as digits as its factorization.

4245642211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90332860.

The product of its digits is 15360, while the sum is 31.

The square root of 4245642211 is about 65158.5927641167. The cubic root of 4245642211 is about 1619.2520821046.

The spelling of 4245642211 in words is "four billion, two hundred forty-five million, six hundred forty-two thousand, two hundred eleven".