381827557303 has 2 divisors, whose sum is σ = 381827557304. Its totient is φ = 381827557302.

The previous prime is 381827557277. The next prime is 381827557357. The reversal of 381827557303 is 303755728183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381827557303 - 2¹⁷ = 381827426231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381827557003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190913778651 + 190913778652.

It is an arithmetic number, because the mean of its divisors is an integer number (190913778652).

Almost surely, 2^381827557303 is an apocalyptic number.

381827557303 is a deficient number, since it is larger than the sum of its proper divisors (1).

381827557303 is an equidigital number, since it uses as much as digits as its factorization.

381827557303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 381827557303 in words is "three hundred eighty-one billion, eight hundred twenty-seven million, five hundred fifty-seven thousand, three hundred three".