3781228553 has 8 divisors (see below), whose sum is σ = 4005897120. Its totient is φ = 3556809280.

The previous prime is 3781228541. The next prime is 3781228613. The reversal of 3781228553 is 3558221873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3781228553 - 2¹⁰ = 3781227529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781228453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30623 + ... + 92196.

It is an arithmetic number, because the mean of its divisors is an integer number (500737140).

Almost surely, 2^3781228553 is an apocalyptic number.

It is an amenable number.

3781228553 is a deficient number, since it is larger than the sum of its proper divisors (224668567).

3781228553 is a wasteful number, since it uses less digits than its factorization.

3781228553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124647.

The product of its digits is 403200, while the sum is 44.

The square root of 3781228553 is about 61491.6949920882. The cubic root of 3781228553 is about 1557.9169756139.

The spelling of 3781228553 in words is "three billion, seven hundred eighty-one million, two hundred twenty-eight thousand, five hundred fifty-three".