38678653383791 has 2 divisors, whose sum is σ = 38678653383792. Its totient is φ = 38678653383790.

The previous prime is 38678653383739. The next prime is 38678653383899. The reversal of 38678653383791 is 19738335687683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38678653383791 - 2²² = 38678649189487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678653382791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339326691895 + 19339326691896.

It is an arithmetic number, because the mean of its divisors is an integer number (19339326691896).

Almost surely, 2^{38678653383791} is an apocalyptic number.

38678653383791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678653383791 is an equidigital number, since it uses as much as digits as its factorization.

38678653383791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3292047360, while the sum is 77.

The spelling of 38678653383791 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-three million, three hundred eighty-three thousand, seven hundred ninety-one".