4423642037 has 4 divisors (see below), whose sum is σ = 4428170796. Its totient is φ = 4419113280.

The previous prime is 4423642033. The next prime is 4423642039. The reversal of 4423642037 is 7302463244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3666786916 + 756855121 = 60554^2 + 27511^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423642037 - 2² = 4423642033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4423641988 and 4423642006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423642031) 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, 2262914 + ... + 2264867.

It is an arithmetic number, because the mean of its divisors is an integer number (1107042699).

Almost surely, 2^4423642037 is an apocalyptic number.

It is an amenable number.

4423642037 is a deficient number, since it is larger than the sum of its proper divisors (4528759).

4423642037 is an equidigital number, since it uses as much as digits as its factorization.

4423642037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528758.

The product of its (nonzero) digits is 96768, while the sum is 35.

The square root of 4423642037 is about 66510.4656200812. The cubic root of 4423642037 is about 1641.5722129182.

The spelling of 4423642037 in words is "four billion, four hundred twenty-three million, six hundred forty-two thousand, thirty-seven".