433340449 has 2 divisors, whose sum is σ = 433340450. Its totient is φ = 433340448.

The previous prime is 433340437. The next prime is 433340471. The reversal of 433340449 is 944043334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431309824 + 2030625 = 20768^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 433340449 - 2⁷ = 433340321 is a prime.

It is equal to p_23015887 and since 433340449 and 23015887 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (433341449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216670224 + 216670225.

It is an arithmetic number, because the mean of its divisors is an integer number (216670225).

Almost surely, 2^433340449 is an apocalyptic number.

It is an amenable number.

433340449 is a deficient number, since it is larger than the sum of its proper divisors (1).

433340449 is an equidigital number, since it uses as much as digits as its factorization.

433340449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 433340449 is about 20816.8309067447. The cubic root of 433340449 is about 756.7337022209.

The spelling of 433340449 in words is "four hundred thirty-three million, three hundred forty thousand, four hundred forty-nine".