3944919473 has 8 divisors (see below), whose sum is σ = 4306822176. Its totient is φ = 3583562400.

The previous prime is 3944919469. The next prime is 3944919487. The reversal of 3944919473 is 3749194493.

3944919473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3944919473 - 2² = 3944919469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3944919493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121211 + ... + 150272.

It is an arithmetic number, because the mean of its divisors is an integer number (538352772).

Almost surely, 2^3944919473 is an apocalyptic number.

It is an amenable number.

3944919473 is a deficient number, since it is larger than the sum of its proper divisors (361902703).

3944919473 is a wasteful number, since it uses less digits than its factorization.

3944919473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272815.

The product of its digits is 2939328, while the sum is 53.

The square root of 3944919473 is about 62808.5939422305. The cubic root of 3944919473 is about 1580.0811090392.

The spelling of 3944919473 in words is "three billion, nine hundred forty-four million, nine hundred nineteen thousand, four hundred seventy-three".