4442691871 has 4 divisors (see below), whose sum is σ = 4586004544. Its totient is φ = 4299379200.

The previous prime is 4442691857. The next prime is 4442691901. The reversal of 4442691871 is 1781962444.

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 4442691871 - 2⁵ = 4442691839 is a prime.

It is a super-2 number, since 2×4442691871² = 39475022121298961282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442641871) 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, 71656290 + ... + 71656351.

It is an arithmetic number, because the mean of its divisors is an integer number (1146501136).

Almost surely, 2^4442691871 is an apocalyptic number.

4442691871 is a deficient number, since it is larger than the sum of its proper divisors (143312673).

4442691871 is a wasteful number, since it uses less digits than its factorization.

4442691871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143312672.

The product of its digits is 387072, while the sum is 46.

The square root of 4442691871 is about 66653.5210697830. The cubic root of 4442691871 is about 1643.9252435850.

The spelling of 4442691871 in words is "four billion, four hundred forty-two million, six hundred ninety-one thousand, eight hundred seventy-one".