4239229845 has 16 divisors (see below), whose sum is σ = 6801258240. Its totient is φ = 2254759104.

The previous prime is 4239229811. The next prime is 4239229849. The reversal of 4239229845 is 5489229324.

It is not a de Polignac number, because 4239229845 - 2⁷ = 4239229717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4239229794 and 4239229803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239229849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379530 + ... + 390539.

It is an arithmetic number, because the mean of its divisors is an integer number (425078640).

Almost surely, 2^4239229845 is an apocalyptic number.

It is an amenable number.

4239229845 is a deficient number, since it is larger than the sum of its proper divisors (2562028395).

4239229845 is a wasteful number, since it uses less digits than its factorization.

4239229845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770444.

The product of its digits is 1244160, while the sum is 48.

The square root of 4239229845 is about 65109.3683351328. The cubic root of 4239229845 is about 1618.4364639343.

The spelling of 4239229845 in words is "four billion, two hundred thirty-nine million, two hundred twenty-nine thousand, eight hundred forty-five".