381550061359 has 2 divisors, whose sum is σ = 381550061360. Its totient is φ = 381550061358.

The previous prime is 381550061327. The next prime is 381550061429. The reversal of 381550061359 is 953160055183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381550061359 - 2⁵ = 381550061327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381550068359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190775030679 + 190775030680.

It is an arithmetic number, because the mean of its divisors is an integer number (190775030680).

Almost surely, 2^381550061359 is an apocalyptic number.

381550061359 is a deficient number, since it is larger than the sum of its proper divisors (1).

381550061359 is an equidigital number, since it uses as much as digits as its factorization.

381550061359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 381550061359 in words is "three hundred eighty-one billion, five hundred fifty million, sixty-one thousand, three hundred fifty-nine".