38415310693 has 2 divisors, whose sum is σ = 38415310694. Its totient is φ = 38415310692.

The previous prime is 38415310691. The next prime is 38415310729. The reversal of 38415310693 is 39601351483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31615329249 + 6799981444 = 177807^2 + 82462^2 .

It is a cyclic number.

It is not a de Polignac number, because 38415310693 - 2¹ = 38415310691 is a prime.

Together with 38415310691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38415310691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19207655346 + 19207655347.

It is an arithmetic number, because the mean of its divisors is an integer number (19207655347).

Almost surely, 2^38415310693 is an apocalyptic number.

It is an amenable number.

38415310693 is a deficient number, since it is larger than the sum of its proper divisors (1).

38415310693 is an equidigital number, since it uses as much as digits as its factorization.

38415310693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 38415310693 in words is "thirty-eight billion, four hundred fifteen million, three hundred ten thousand, six hundred ninety-three".