38381373847 has 2 divisors, whose sum is σ = 38381373848. Its totient is φ = 38381373846.

The previous prime is 38381373769. The next prime is 38381373859. The reversal of 38381373847 is 74837318383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38381373847 - 2²⁷ = 38247156119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38381373887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19190686923 + 19190686924.

It is an arithmetic number, because the mean of its divisors is an integer number (19190686924).

Almost surely, 2^38381373847 is an apocalyptic number.

38381373847 is a deficient number, since it is larger than the sum of its proper divisors (1).

38381373847 is an equidigital number, since it uses as much as digits as its factorization.

38381373847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 55.

The spelling of 38381373847 in words is "thirty-eight billion, three hundred eighty-one million, three hundred seventy-three thousand, eight hundred forty-seven".