38263546693 has 2 divisors, whose sum is σ = 38263546694. Its totient is φ = 38263546692.

The previous prime is 38263546681. The next prime is 38263546813. The reversal of 38263546693 is 39664536283.

38263546693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33369424929 + 4894121764 = 182673^2 + 69958^2 .

It is a cyclic number.

It is not a de Polignac number, because 38263546693 - 2⁵ = 38263546661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38263546613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19131773346 + 19131773347.

It is an arithmetic number, because the mean of its divisors is an integer number (19131773347).

Almost surely, 2^38263546693 is an apocalyptic number.

It is an amenable number.

38263546693 is a deficient number, since it is larger than the sum of its proper divisors (1).

38263546693 is an equidigital number, since it uses as much as digits as its factorization.

38263546693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 55.

The spelling of 38263546693 in words is "thirty-eight billion, two hundred sixty-three million, five hundred forty-six thousand, six hundred ninety-three".