381461100679 has 2 divisors, whose sum is σ = 381461100680. Its totient is φ = 381461100678.

The previous prime is 381461100677. The next prime is 381461100697. The reversal of 381461100679 is 976001164183.

Together with next prime (381461100697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (976001164183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381461100679 - 2¹ = 381461100677 is a prime.

It is a super-2 number, since 2×381461100679² (a number of 24 digits) contains 22 as substring.

Together with 381461100677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381461100673) 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, 190730550339 + 190730550340.

It is an arithmetic number, because the mean of its divisors is an integer number (190730550340).

Almost surely, 2^381461100679 is an apocalyptic number.

381461100679 is a deficient number, since it is larger than the sum of its proper divisors (1).

381461100679 is an equidigital number, since it uses as much as digits as its factorization.

381461100679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 381461100679 in words is "three hundred eighty-one billion, four hundred sixty-one million, one hundred thousand, six hundred seventy-nine".