3557475549 has 12 divisors (see below), whose sum is σ = 5158117536. Its totient is φ = 2362631112.

The previous prime is 3557475547. The next prime is 3557475557. The reversal of 3557475549 is 9455747553.

It is a happy number.

3557475549 is a `hidden beast` number, since 3 + 5 + 57 + 47 + 5 + 549 = 666.

It is not a de Polignac number, because 3557475549 - 2¹ = 3557475547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3557475495 and 3557475504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3557475547) 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, 749107 + ... + 753840.

It is an arithmetic number, because the mean of its divisors is an integer number (429843128).

Almost surely, 2^3557475549 is an apocalyptic number.

It is an amenable number.

3557475549 is a deficient number, since it is larger than the sum of its proper divisors (1600641987).

3557475549 is a wasteful number, since it uses less digits than its factorization.

3557475549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503216 (or 1503213 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 54.

The square root of 3557475549 is about 59644.5768616058. The cubic root of 3557475549 is about 1526.5603377815.

The spelling of 3557475549 in words is "three billion, five hundred fifty-seven million, four hundred seventy-five thousand, five hundred forty-nine".