3979845773 has 4 divisors (see below), whose sum is σ = 4189311360. Its totient is φ = 3770380188.

The previous prime is 3979845757. The next prime is 3979845817. The reversal of 3979845773 is 3775489793.

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 not a de Polignac number, because 3979845773 - 2⁴ = 3979845757 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 (3979842773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104732765 + ... + 104732802.

It is an arithmetic number, because the mean of its divisors is an integer number (1047327840).

Almost surely, 2^3979845773 is an apocalyptic number.

It is an amenable number.

3979845773 is a deficient number, since it is larger than the sum of its proper divisors (209465587).

3979845773 is a wasteful number, since it uses less digits than its factorization.

3979845773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209465586.

The product of its digits is 40007520, while the sum is 62.

The square root of 3979845773 is about 63086.0188393593. The cubic root of 3979845773 is about 1584.7304915817.

The spelling of 3979845773 in words is "three billion, nine hundred seventy-nine million, eight hundred forty-five thousand, seven hundred seventy-three".