1433481481 has 4 divisors (see below), whose sum is σ = 1433681172. Its totient is φ = 1433281792.

The previous prime is 1433481451. The next prime is 1433481503. The reversal of 1433481481 is 1841843341.

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 236667456 + 1196814025 = 15384^2 + 34595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1433481481 - 2⁵ = 1433481449 is a prime.

It is a super-2 number, since 2×1433481481² = 4109738312739906722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1433481481.

It is not an unprimeable number, because it can be changed into a prime (1433481421) 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 3 ways as a sum of consecutive naturals, for example, 88660 + ... + 103573.

It is an arithmetic number, because the mean of its divisors is an integer number (358420293).

Almost surely, 2^1433481481 is an apocalyptic number.

It is an amenable number.

1433481481 is a deficient number, since it is larger than the sum of its proper divisors (199691).

1433481481 is an equidigital number, since it uses as much as digits as its factorization.

1433481481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199690.

The product of its digits is 36864, while the sum is 37.

The square root of 1433481481 is about 37861.3454726585. The cubic root of 1433481481 is about 1127.5367234021.

The spelling of 1433481481 in words is "one billion, four hundred thirty-three million, four hundred eighty-one thousand, four hundred eighty-one".