381479895446 has 16 divisors (see below), whose sum is σ = 648670268400. Its totient is φ = 166800925728.

The previous prime is 381479895443. The next prime is 381479895469. The reversal of 381479895446 is 644598974183.

It is a super-3 number, since 3×381479895446³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381479895443) 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 in 7 ways as a sum of consecutive naturals, for example, 386112761 + ... + 386113748.

It is an arithmetic number, because the mean of its divisors is an integer number (40541891775).

Almost surely, 2^381479895446 is an apocalyptic number.

381479895446 is a deficient number, since it is larger than the sum of its proper divisors (267190372954).

381479895446 is a wasteful number, since it uses less digits than its factorization.

381479895446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772226543.

The product of its digits is 209018880, while the sum is 68.

The spelling of 381479895446 in words is "three hundred eighty-one billion, four hundred seventy-nine million, eight hundred ninety-five thousand, four hundred forty-six".