381546112852 has 12 divisors (see below), whose sum is σ = 667743955060. Its totient is φ = 190762125696.

The previous prime is 381546112763. The next prime is 381546112853. The reversal of 381546112852 is 258211645183.

It can be written as a sum of positive squares in 2 ways, for example, as 123486176836 + 258059936016 = 351406^2 + 507996^2 .

It is a super-2 number, since 2×381546112852² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381546112853) 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, 2653893 + ... + 2793964.

Almost surely, 2^381546112852 is an apocalyptic number.

It is an amenable number.

381546112852 is a deficient number, since it is larger than the sum of its proper divisors (286197842208).

381546112852 is a wasteful number, since it uses less digits than its factorization.

381546112852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465370 (or 5465368 counting only the distinct ones).

The product of its digits is 460800, while the sum is 46.

The spelling of 381546112852 in words is "three hundred eighty-one billion, five hundred forty-six million, one hundred twelve thousand, eight hundred fifty-two".