3804485372557 has 4 divisors (see below), whose sum is σ = 3804804205020. Its totient is φ = 3804166540096.

The previous prime is 3804485372549. The next prime is 3804485372561. The reversal of 3804485372557 is 7552735844083.

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 1888016150601 + 1916469221956 = 1374051^2 + 1384366^2 .

It is a cyclic number.

It is not a de Polignac number, because 3804485372557 - 2³ = 3804485372549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3804485372495 and 3804485372504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804485372537) 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, 159398332 + ... + 159422197.

It is an arithmetic number, because the mean of its divisors is an integer number (951201051255).

Almost surely, 2^{3804485372557} is an apocalyptic number.

It is an amenable number.

3804485372557 is a deficient number, since it is larger than the sum of its proper divisors (318832463).

3804485372557 is a wasteful number, since it uses less digits than its factorization.

3804485372557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318832462.

The product of its (nonzero) digits is 112896000, while the sum is 61.

The spelling of 3804485372557 in words is "three trillion, eight hundred four billion, four hundred eighty-five million, three hundred seventy-two thousand, five hundred fifty-seven".