381227907346 has 48 divisors (see below), whose sum is σ = 676199171520. Its totient is φ = 159791511360.

The previous prime is 381227907343. The next prime is 381227907349. The reversal of 381227907346 is 643709722183.

It is an interprime number because it is at equal distance from previous prime (381227907343) and next prime (381227907349).

It is a junction number, because it is equal to n+sod(n) for n = 381227907293 and 381227907302.

It is not an unprimeable number, because it can be changed into a prime (381227907343) 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 23 ways as a sum of consecutive naturals, for example, 3602640 + ... + 3706948.

It is an arithmetic number, because the mean of its divisors is an integer number (14087482740).

Almost surely, 2^381227907346 is an apocalyptic number.

381227907346 is a deficient number, since it is larger than the sum of its proper divisors (294971264174).

381227907346 is a wasteful number, since it uses less digits than its factorization.

381227907346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105331 (or 105318 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 381227907346 in words is "three hundred eighty-one billion, two hundred twenty-seven million, nine hundred seven thousand, three hundred forty-six".