38924594693 has 2 divisors, whose sum is σ = 38924594694. Its totient is φ = 38924594692.

The previous prime is 38924594671. The next prime is 38924594729. The reversal of 38924594693 is 39649542983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20719299364 + 18205295329 = 143942^2 + 134927^2 .

It is a cyclic number.

It is not a de Polignac number, because 38924594693 - 2⁸ = 38924594437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38924590693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19462297346 + 19462297347.

It is an arithmetic number, because the mean of its divisors is an integer number (19462297347).

Almost surely, 2^38924594693 is an apocalyptic number.

It is an amenable number.

38924594693 is a deficient number, since it is larger than the sum of its proper divisors (1).

38924594693 is an equidigital number, since it uses as much as digits as its factorization.

38924594693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50388480, while the sum is 62.

The spelling of 38924594693 in words is "thirty-eight billion, nine hundred twenty-four million, five hundred ninety-four thousand, six hundred ninety-three".