3999754773 has 12 divisors (see below), whose sum is σ = 6602769888. Its totient is φ = 2285574120.

The previous prime is 3999754769. The next prime is 3999754789. The reversal of 3999754773 is 3774579993.

3999754773 is a `hidden beast` number, since 3 + 9 + 99 + 75 + 477 + 3 = 666.

It is not a de Polignac number, because 3999754773 - 2² = 3999754769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 63488171 = 3999754773 / (3 + 9 + 9 + 9 + 7 + 5 + 4 + 7 + 7 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 3999754773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999754793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31744023 + ... + 31744148.

It is an arithmetic number, because the mean of its divisors is an integer number (550230824).

Almost surely, 2^3999754773 is an apocalyptic number.

It is an amenable number.

3999754773 is a deficient number, since it is larger than the sum of its proper divisors (2603015115).

3999754773 is a wasteful number, since it uses less digits than its factorization.

3999754773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63488184 (or 63488181 counting only the distinct ones).

The product of its digits is 45008460, while the sum is 63.

The square root of 3999754773 is about 63243.6144839936. The cubic root of 3999754773 is about 1587.3686118388.

The spelling of 3999754773 in words is "three billion, nine hundred ninety-nine million, seven hundred fifty-four thousand, seven hundred seventy-three".