38426843005633 has 2 divisors, whose sum is σ = 38426843005634. Its totient is φ = 38426843005632.

The previous prime is 38426843005601. The next prime is 38426843005643. The reversal of 38426843005633 is 33650034862483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20436249298609 + 17990593707024 = 4520647^2 + 4241532^2 .

It is a cyclic number.

It is not a de Polignac number, because 38426843005633 - 2⁵ = 38426843005601 is a prime.

It is not a weakly prime, because it can be changed into another prime (38426843005643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19213421502816 + 19213421502817.

It is an arithmetic number, because the mean of its divisors is an integer number (19213421502817).

Almost surely, 2^{38426843005633} is an apocalyptic number.

It is an amenable number.

38426843005633 is a deficient number, since it is larger than the sum of its proper divisors (1).

38426843005633 is an equidigital number, since it uses as much as digits as its factorization.

38426843005633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 55.

The spelling of 38426843005633 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred forty-three million, five thousand, six hundred thirty-three".