433393138265161 has 2 divisors, whose sum is σ = 433393138265162. Its totient is φ = 433393138265160.

The previous prime is 433393138265119. The next prime is 433393138265167. The reversal of 433393138265161 is 161562831393334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392804057911225 + 40589080353936 = 19819285^2 + 6370956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-433393138265161 is a prime.

It is a super-2 number, since 2×433393138265161² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 433393138265096 and 433393138265105.

It is not a weakly prime, because it can be changed into another prime (433393138265167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216696569132580 + 216696569132581.

It is an arithmetic number, because the mean of its divisors is an integer number (216696569132581).

Almost surely, 2^{433393138265161} is an apocalyptic number.

It is an amenable number.

433393138265161 is a deficient number, since it is larger than the sum of its proper divisors (1).

433393138265161 is an equidigital number, since it uses as much as digits as its factorization.

433393138265161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 58.

The spelling of 433393138265161 in words is "four hundred thirty-three trillion, three hundred ninety-three billion, one hundred thirty-eight million, two hundred sixty-five thousand, one hundred sixty-one".