381408281612 has 6 divisors (see below), whose sum is σ = 667464492828. Its totient is φ = 190704140804.

The previous prime is 381408281603. The next prime is 381408281621. The reversal of 381408281612 is 216182804183.

It is an interprime number because it is at equal distance from previous prime (381408281603) and next prime (381408281621).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47676035198 + ... + 47676035205.

It is an arithmetic number, because the mean of its divisors is an integer number (111244082138).

Almost surely, 2^381408281612 is an apocalyptic number.

It is an amenable number.

381408281612 is a deficient number, since it is larger than the sum of its proper divisors (286056211216).

381408281612 is a wasteful number, since it uses less digits than its factorization.

381408281612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95352070407 (or 95352070405 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 381408281612 in words is "three hundred eighty-one billion, four hundred eight million, two hundred eighty-one thousand, six hundred twelve".