4438820973 has 4 divisors (see below), whose sum is σ = 5918427968. Its totient is φ = 2959213980.

The previous prime is 4438820933. The next prime is 4438820987. The reversal of 4438820973 is 3790288344.

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 not a de Polignac number, because 4438820973 - 2⁶ = 4438820909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4438820933) 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, 739803493 + ... + 739803498.

It is an arithmetic number, because the mean of its divisors is an integer number (1479606992).

Almost surely, 2^4438820973 is an apocalyptic number.

It is an amenable number.

4438820973 is a deficient number, since it is larger than the sum of its proper divisors (1479606995).

4438820973 is a wasteful number, since it uses less digits than its factorization.

4438820973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479606994.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 4438820973 is about 66624.4772812515. The cubic root of 4438820973 is about 1643.4476565596.

The spelling of 4438820973 in words is "four billion, four hundred thirty-eight million, eight hundred twenty thousand, nine hundred seventy-three".