381054845409 has 16 divisors (see below), whose sum is σ = 583863047040. Its totient is φ = 216542609280.

The previous prime is 381054845383. The next prime is 381054845411. The reversal of 381054845409 is 904548450183.

It is not a de Polignac number, because 381054845409 - 2⁵ = 381054845377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381054840409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50121804 + ... + 50129405.

It is an arithmetic number, because the mean of its divisors is an integer number (36491440440).

Almost surely, 2^381054845409 is an apocalyptic number.

It is an amenable number.

381054845409 is a deficient number, since it is larger than the sum of its proper divisors (202808201631).

381054845409 is a wasteful number, since it uses less digits than its factorization.

381054845409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100251400.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 381054845409 in words is "three hundred eighty-one billion, fifty-four million, eight hundred forty-five thousand, four hundred nine".