38398074647 has 2 divisors, whose sum is σ = 38398074648. Its totient is φ = 38398074646.

The previous prime is 38398074587. The next prime is 38398074667. The reversal of 38398074647 is 74647089383.

38398074647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (74647089383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38398074647 - 2¹² = 38398070551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38398074667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19199037323 + 19199037324.

It is an arithmetic number, because the mean of its divisors is an integer number (19199037324).

Almost surely, 2^38398074647 is an apocalyptic number.

38398074647 is a deficient number, since it is larger than the sum of its proper divisors (1).

38398074647 is an equidigital number, since it uses as much as digits as its factorization.

38398074647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 38398074647 in words is "thirty-eight billion, three hundred ninety-eight million, seventy-four thousand, six hundred forty-seven".