1483803661 has 4 divisors (see below), whose sum is σ = 1484573212. Its totient is φ = 1483034112.

The previous prime is 1483803649. The next prime is 1483803667. The reversal of 1483803661 is 1663083841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1663083841 = 5449 ⋅305209.

It can be written as a sum of positive squares in 2 ways, for example, as 907515625 + 576288036 = 30125^2 + 24006^2 .

It is a cyclic number.

It is not a de Polignac number, because 1483803661 - 2²⁷ = 1349585933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1483803667) 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, 381876 + ... + 385741.

It is an arithmetic number, because the mean of its divisors is an integer number (371143303).

Almost surely, 2^1483803661 is an apocalyptic number.

It is an amenable number.

1483803661 is a deficient number, since it is larger than the sum of its proper divisors (769551).

1483803661 is an equidigital number, since it uses as much as digits as its factorization.

1483803661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769550.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1483803661 is about 38520.1721309757. The cubic root of 1483803661 is about 1140.5792841786.

The spelling of 1483803661 in words is "one billion, four hundred eighty-three million, eight hundred three thousand, six hundred sixty-one".