1436069449 has 2 divisors, whose sum is σ = 1436069450. Its totient is φ = 1436069448.

The previous prime is 1436069387. The next prime is 1436069471. The reversal of 1436069449 is 9449606341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208813824 + 227255625 = 34768^2 + 15075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1436069449 - 2¹⁵ = 1436036681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1436069399 and 1436069408.

It is not a weakly prime, because it can be changed into another prime (1436069549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 718034724 + 718034725.

It is an arithmetic number, because the mean of its divisors is an integer number (718034725).

Almost surely, 2^1436069449 is an apocalyptic number.

It is an amenable number.

1436069449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1436069449 is an equidigital number, since it uses as much as digits as its factorization.

1436069449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 1436069449 is about 37895.5069764214. The cubic root of 1436069449 is about 1128.2148567238.

The spelling of 1436069449 in words is "one billion, four hundred thirty-six million, sixty-nine thousand, four hundred forty-nine".