381836404001 has 4 divisors (see below), whose sum is σ = 411208435092. Its totient is φ = 352464372912.

The previous prime is 381836403989. The next prime is 381836404013. The reversal of 381836404001 is 100404638183.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (381836403989) and next prime (381836404013).

It can be written as a sum of positive squares in 2 ways, for example, as 134380896400 + 247455507601 = 366580^2 + 497449^2 .

It is a cyclic number.

It is not a de Polignac number, because 381836404001 - 2⁶ = 381836403937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381836404051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14686015526 + ... + 14686015551.

It is an arithmetic number, because the mean of its divisors is an integer number (102802108773).

Almost surely, 2^381836404001 is an apocalyptic number.

It is an amenable number.

381836404001 is a deficient number, since it is larger than the sum of its proper divisors (29372031091).

381836404001 is a wasteful number, since it uses less digits than its factorization.

381836404001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29372031090.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 381836404001 in words is "three hundred eighty-one billion, eight hundred thirty-six million, four hundred four thousand, one".