3996474473 has 4 divisors (see below), whose sum is σ = 4001343108. Its totient is φ = 3991605840.

The previous prime is 3996474413. The next prime is 3996474479. The reversal of 3996474473 is 3744746993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2645764969 + 1350709504 = 51437^2 + 36752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3996474473 - 2⁸ = 3996474217 is a prime.

It is a super-3 number, since 3×3996474473³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3996474479) 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, 2433086 + ... + 2434727.

It is an arithmetic number, because the mean of its divisors is an integer number (1000335777).

Almost surely, 2^3996474473 is an apocalyptic number.

It is an amenable number.

3996474473 is a deficient number, since it is larger than the sum of its proper divisors (4868635).

3996474473 is an equidigital number, since it uses as much as digits as its factorization.

3996474473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868634.

The product of its digits is 13716864, while the sum is 56.

The square root of 3996474473 is about 63217.6753210682. The cubic root of 3996474473 is about 1586.9345461124.

The spelling of 3996474473 in words is "three billion, nine hundred ninety-six million, four hundred seventy-four thousand, four hundred seventy-three".