38430442785533 has 2 divisors, whose sum is σ = 38430442785534. Its totient is φ = 38430442785532.

The previous prime is 38430442785481. The next prime is 38430442785571. The reversal of 38430442785533 is 33558724403483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33711807478969 + 4718635306564 = 5806187^2 + 2172242^2 .

It is a cyclic number.

It is not a de Polignac number, because 38430442785533 - 2³⁴ = 38413262916349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38430442785593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19215221392766 + 19215221392767.

It is an arithmetic number, because the mean of its divisors is an integer number (19215221392767).

Almost surely, 2^{38430442785533} is an apocalyptic number.

It is an amenable number.

38430442785533 is a deficient number, since it is larger than the sum of its proper divisors (1).

38430442785533 is an equidigital number, since it uses as much as digits as its factorization.

38430442785533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116121600, while the sum is 59.

The spelling of 38430442785533 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-two million, seven hundred eighty-five thousand, five hundred thirty-three".