436435534649 has 2 divisors, whose sum is σ = 436435534650. Its totient is φ = 436435534648.

The previous prime is 436435534573. The next prime is 436435534709. The reversal of 436435534649 is 946435534634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420416076025 + 16019458624 = 648395^2 + 126568^2 .

It is a cyclic number.

It is not a de Polignac number, because 436435534649 - 2²⁴ = 436418757433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 436435534594 and 436435534603.

It is not a weakly prime, because it can be changed into another prime (436435534949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218217767324 + 218217767325.

It is an arithmetic number, because the mean of its divisors is an integer number (218217767325).

Almost surely, 2^436435534649 is an apocalyptic number.

It is an amenable number.

436435534649 is a deficient number, since it is larger than the sum of its proper divisors (1).

436435534649 is an equidigital number, since it uses as much as digits as its factorization.

436435534649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55987200, while the sum is 56.

The spelling of 436435534649 in words is "four hundred thirty-six billion, four hundred thirty-five million, five hundred thirty-four thousand, six hundred forty-nine".