38816895853693 has 2 divisors, whose sum is σ = 38816895853694. Its totient is φ = 38816895853692.

The previous prime is 38816895853651. The next prime is 38816895853709. The reversal of 38816895853693 is 39635859861883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21667507496569 + 17149388357124 = 4654837^2 + 4141182^2 .

It is a cyclic number.

It is not a de Polignac number, because 38816895853693 - 2¹³ = 38816895845501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38816895853613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19408447926846 + 19408447926847.

It is an arithmetic number, because the mean of its divisors is an integer number (19408447926847).

Almost surely, 2^{38816895853693} is an apocalyptic number.

It is an amenable number.

38816895853693 is a deficient number, since it is larger than the sum of its proper divisors (1).

38816895853693 is an equidigital number, since it uses as much as digits as its factorization.

38816895853693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8062156800, while the sum is 82.

The spelling of 38816895853693 in words is "thirty-eight trillion, eight hundred sixteen billion, eight hundred ninety-five million, eight hundred fifty-three thousand, six hundred ninety-three".