4247112819 has 4 divisors (see below), whose sum is σ = 5662817096. Its totient is φ = 2831408544.

The previous prime is 4247112811. The next prime is 4247112823. The reversal of 4247112819 is 9182117424.

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

It is not a de Polignac number, because 4247112819 - 2³ = 4247112811 is a prime.

It is a super-2 number, since 2×4247112819² = 36075934594628253522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247112811) 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, 707852134 + ... + 707852139.

It is an arithmetic number, because the mean of its divisors is an integer number (1415704274).

Almost surely, 2^4247112819 is an apocalyptic number.

4247112819 is a deficient number, since it is larger than the sum of its proper divisors (1415704277).

4247112819 is a wasteful number, since it uses less digits than its factorization.

4247112819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415704276.

The product of its digits is 32256, while the sum is 39.

The square root of 4247112819 is about 65169.8766225624. The cubic root of 4247112819 is about 1619.4390196794.

The spelling of 4247112819 in words is "four billion, two hundred forty-seven million, one hundred twelve thousand, eight hundred nineteen".