1441432621 has 2 divisors, whose sum is σ = 1441432622. Its totient is φ = 1441432620.

The previous prime is 1441432607. The next prime is 1441432673. The reversal of 1441432621 is 1262341441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832034025 + 609398596 = 28845^2 + 24686^2 .

It is an emirp because it is prime and its reverse (1262341441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1441432621 - 2⁵ = 1441432589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1441432621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441432691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720716310 + 720716311.

It is an arithmetic number, because the mean of its divisors is an integer number (720716311).

Almost surely, 2^1441432621 is an apocalyptic number.

It is an amenable number.

1441432621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441432621 is an equidigital number, since it uses as much as digits as its factorization.

1441432621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 1441432621 is about 37966.2036685260. The cubic root of 1441432621 is about 1129.6175960861.

The spelling of 1441432621 in words is "one billion, four hundred forty-one million, four hundred thirty-two thousand, six hundred twenty-one".