1433728441 has 2 divisors, whose sum is σ = 1433728442. Its totient is φ = 1433728440.

The previous prime is 1433728433. The next prime is 1433728447. The reversal of 1433728441 is 1448273341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1294488441 + 139240000 = 35979^2 + 11800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1433728441 - 2³ = 1433728433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1433728441.

It is not a weakly prime, because it can be changed into another prime (1433728447) 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 as a sum of consecutive naturals, namely, 716864220 + 716864221.

It is an arithmetic number, because the mean of its divisors is an integer number (716864221).

Almost surely, 2^1433728441 is an apocalyptic number.

It is an amenable number.

1433728441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1433728441 is an equidigital number, since it uses as much as digits as its factorization.

1433728441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 1433728441 is about 37864.6067059992. The cubic root of 1433728441 is about 1127.6014703099.

It can be divided in two parts, 14337 and 28441, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 1433728441 in words is "one billion, four hundred thirty-three million, seven hundred twenty-eight thousand, four hundred forty-one".