3554621073 has 6 divisors (see below), whose sum is σ = 5134452674. Its totient is φ = 2369747376.

The previous prime is 3554621071. The next prime is 3554621113. The reversal of 3554621073 is 3701264553.

3554621073 is a `hidden beast` number, since 3 + 5 + 546 + 2 + 107 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3481826049 + 72795024 = 59007^2 + 8532^2 .

It is not a de Polignac number, because 3554621073 - 2¹ = 3554621071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3554621071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197478940 + ... + 197478957.

Almost surely, 2^3554621073 is an apocalyptic number.

It is an amenable number.

3554621073 is a deficient number, since it is larger than the sum of its proper divisors (1579831601).

3554621073 is a wasteful number, since it uses less digits than its factorization.

3554621073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394957903 (or 394957900 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 3554621073 is about 59620.6430106217. The cubic root of 3554621073 is about 1526.1519305853.

The spelling of 3554621073 in words is "three billion, five hundred fifty-four million, six hundred twenty-one thousand, seventy-three".