381069813847 has 2 divisors, whose sum is σ = 381069813848. Its totient is φ = 381069813846.

The previous prime is 381069813793. The next prime is 381069813877. The reversal of 381069813847 is 748318960183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381069813847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381069813791 and 381069813800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381069813877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190534906923 + 190534906924.

It is an arithmetic number, because the mean of its divisors is an integer number (190534906924).

Almost surely, 2^381069813847 is an apocalyptic number.

381069813847 is a deficient number, since it is larger than the sum of its proper divisors (1).

381069813847 is an equidigital number, since it uses as much as digits as its factorization.

381069813847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 381069813847 in words is "three hundred eighty-one billion, sixty-nine million, eight hundred thirteen thousand, eight hundred forty-seven".