381437186105 has 16 divisors (see below), whose sum is σ = 472746694464. Its totient is φ = 295267680960.

The previous prime is 381437186101. The next prime is 381437186111. The reversal of 381437186105 is 501681734183.

It is not a de Polignac number, because 381437186105 - 2² = 381437186101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381437186105.

It is not an unprimeable number, because it can be changed into a prime (381437186101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8267306 + ... + 8313315.

It is an arithmetic number, because the mean of its divisors is an integer number (29546668404).

Almost surely, 2^381437186105 is an apocalyptic number.

It is an amenable number.

381437186105 is a deficient number, since it is larger than the sum of its proper divisors (91309508359).

381437186105 is a wasteful number, since it uses less digits than its factorization.

381437186105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16580776.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 381437186105 in words is "three hundred eighty-one billion, four hundred thirty-seven million, one hundred eighty-six thousand, one hundred five".