4442071837 has 4 divisors (see below), whose sum is σ = 5076653536. Its totient is φ = 3807490140.

The previous prime is 4442071813. The next prime is 4442071859. The reversal of 4442071837 is 7381702444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442071837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4442071837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442071867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317290839 + ... + 317290852.

It is an arithmetic number, because the mean of its divisors is an integer number (1269163384).

Almost surely, 2^4442071837 is an apocalyptic number.

It is an amenable number.

4442071837 is a deficient number, since it is larger than the sum of its proper divisors (634581699).

4442071837 is an equidigital number, since it uses as much as digits as its factorization.

4442071837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634581698.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 4442071837 is about 66648.8697353526. The cubic root of 4442071837 is about 1643.8487631541.

The spelling of 4442071837 in words is "four billion, four hundred forty-two million, seventy-one thousand, eight hundred thirty-seven".