381651799367 has 2 divisors, whose sum is σ = 381651799368. Its totient is φ = 381651799366.

The previous prime is 381651799357. The next prime is 381651799379. The reversal of 381651799367 is 763997156183.

It is a weak prime.

It is an emirp because it is prime and its reverse (763997156183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381651799367 - 2¹⁴ = 381651782983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381651799357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190825899683 + 190825899684.

It is an arithmetic number, because the mean of its divisors is an integer number (190825899684).

Almost surely, 2^381651799367 is an apocalyptic number.

381651799367 is a deficient number, since it is larger than the sum of its proper divisors (1).

381651799367 is an equidigital number, since it uses as much as digits as its factorization.

381651799367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 65.

The spelling of 381651799367 in words is "three hundred eighty-one billion, six hundred fifty-one million, seven hundred ninety-nine thousand, three hundred sixty-seven".