433940450413 has 2 divisors, whose sum is σ = 433940450414. Its totient is φ = 433940450412.

The previous prime is 433940450393. The next prime is 433940450423. The reversal of 433940450413 is 314054049334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418404572964 + 15535877449 = 646842^2 + 124643^2 .

It is a cyclic number.

It is not a de Polignac number, because 433940450413 - 2⁵ = 433940450381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433940450423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216970225206 + 216970225207.

It is an arithmetic number, because the mean of its divisors is an integer number (216970225207).

Almost surely, 2^433940450413 is an apocalyptic number.

It is an amenable number.

433940450413 is a deficient number, since it is larger than the sum of its proper divisors (1).

433940450413 is an equidigital number, since it uses as much as digits as its factorization.

433940450413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 433940450413 its reverse (314054049334), we get a palindrome (747994499747).

The spelling of 433940450413 in words is "four hundred thirty-three billion, nine hundred forty million, four hundred fifty thousand, four hundred thirteen".