381550061341 has 4 divisors (see below), whose sum is σ = 381601098652. Its totient is φ = 381499024032.

The previous prime is 381550061327. The next prime is 381550061359. The reversal of 381550061341 is 143160055183.

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

It can be written as a sum of positive squares in 2 ways, for example, as 255681922500 + 125868138841 = 505650^2 + 354779^2 .

It is a cyclic number.

It is not a de Polignac number, because 381550061341 - 2⁷ = 381550061213 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 381550061341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381550061311) 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, 25507440 + ... + 25522393.

It is an arithmetic number, because the mean of its divisors is an integer number (95400274663).

Almost surely, 2^381550061341 is an apocalyptic number.

It is an amenable number.

381550061341 is a deficient number, since it is larger than the sum of its proper divisors (51037311).

381550061341 is an equidigital number, since it uses as much as digits as its factorization.

381550061341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51037310.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 381550061341 in words is "three hundred eighty-one billion, five hundred fifty million, sixty-one thousand, three hundred forty-one".