38455166565433 has 2 divisors, whose sum is σ = 38455166565434. Its totient is φ = 38455166565432.

The previous prime is 38455166565427. The next prime is 38455166565451. The reversal of 38455166565433 is 33456566155483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33212019162169 + 5243147403264 = 5762987^2 + 2289792^2 .

It is a cyclic number.

It is not a de Polignac number, because 38455166565433 - 2⁴⁵ = 3270794476601 is a prime.

It is not a weakly prime, because it can be changed into another prime (38455166565533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19227583282716 + 19227583282717.

It is an arithmetic number, because the mean of its divisors is an integer number (19227583282717).

Almost surely, 2^{38455166565433} is an apocalyptic number.

It is an amenable number.

38455166565433 is a deficient number, since it is larger than the sum of its proper divisors (1).

38455166565433 is an equidigital number, since it uses as much as digits as its factorization.

38455166565433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560000, while the sum is 64.

The spelling of 38455166565433 in words is "thirty-eight trillion, four hundred fifty-five billion, one hundred sixty-six million, five hundred sixty-five thousand, four hundred thirty-three".